Essential terminology for the Indian timber trade, with international and regional equivalents. This glossary serves timber merchants, sawmills, importers, builders, architects, and procurement teams working in India and trading across South Asia and West Asia. It uses Indian market language as the commercial default while showing equivalent terminology used in international trade.

In India, commercial wood trade is strongly influenced by imports of logs, sawn wood, veneer, and pulp. This market structure explains why Indian timber vocabulary often mixes forestry terms, sawmill terms, grading language, and trader shorthand in the same conversation.

How to read entries: Each term shows the Indian usage, definition, international equivalent, and notes on South/West Asian regional usage where relevant.


Core Terminology

Timber
INDIA/UK/AU/NZ: Timber • US/Canada: Lumber

Commercial wood intended for structural, joinery, furniture, or industrial use.

Regional: In India, South Asia, and the Gulf, “timber” is more common than “lumber” in trade speech.

Wood
Universal: Wood

Generic material from trees; broader and less trade-specific than timber.

Regional: Often used in retail and interiors; “timber” sounds more commercial or project-oriented in India.

Hardwood
Universal: Hardwood

Wood from broadleaved trees, not necessarily always harder in density than every softwood species.

Regional: Indian trade uses hardwood for teak, sal, rosewood, acacia and similar species categories.

Softwood
Universal: Softwood

Wood from coniferous trees, commonly used in construction, packaging, and remanufacturing streams.

Regional: Imported pine is often the practical reference point in India and West Asian building supply chains.

Species
Universal: Species

The botanical type of wood sold or specified in trade.

Regional: Species naming matters in India because common names vary by region and language.

Commercial Species Name
Trade name / Commercial name

Market name used in invoices and sales, which may be broader than the exact botanical name.

Regional: Important in cross-border trade to avoid confusion between local names and export names.

Imported Timber
Imported timber / Imported wood

Wood brought into India for sawing, manufacturing, or resale.

Regional: India imports large volumes of logs, sawnwood, and veneer-related material.

Domestic Timber
Domestic timber

Timber sourced from Indian forests, plantations, agro-forestry, or local markets.

Regional: Often contrasted against imported African, Southeast Asian, or softwood supply.

Log & Roundwood Terms

Log
Universal: Log

Felled tree stem cut to length for transport and processing.

Regional: Standard term across India, South Asia, and West Asia.

Roundwood
Universal: Roundwood

Wood in the round, before sawing into boards or further conversion.

Regional: Used more in policy, customs, and FAO-style classification than in everyday retail trade.

Industrial Roundwood
Industrial roundwood

Commodity group including sawlogs, veneer logs, pulpwood, other industrial roundwood, and in trade also chips and particles.

Regional: Useful term for reports, HS-code discussions, and country-level trade analysis.

Sawlog
Universal: Sawlog

Log intended to be sawn lengthwise into sawn timber or sleepers.

Regional: Indian importers often simply say “logs,” but technical documents distinguish sawlogs from veneer logs.

Veneer Log
Universal: Veneer log

Log intended for veneer production, mainly by peeling or slicing.

Regional: Common in plywood and face-veneer discussions across India and South Asia.

Pulpwood
Universal: Pulpwood

Wood intended for pulp and paper manufacture rather than sawn conversion.

Regional: Relevant in plantation forestry and paper-sector procurement.

Sleeper Log
Sleeper stock / Tie stock (US)

Log or sawn stock intended for railway sleepers or ties.

Regional: “Sleeper” is Commonwealth usage; “tie” is the North American equivalent.

Sawmill Conversion Terms

Sawn Timber
INDIA/UK/AU/NZ: Sawn timber • FAO: Sawnwood • US: Lumber

Timber sawn lengthwise from logs into boards, planks, battens, or sections.

Regional: “Sawn timber” is normal in India; “sawnwood” appears more in trade statistics and reports.

Green Timber
Green timber / Green lumber

Freshly sawn or undried timber, generally above the dry threshold used in grading references.

Regional: Important for shrinkage, drying, and recovery planning.

Rough Sawn
Rough sawn / Rough-sawn

Timber cut by the saw but not yet dressed or surfaced smooth.

Regional: Common term in Indian yards and project supply.

Dressed Timber
Dressed timber / Surfaced lumber

Timber that has been machined smooth to final or near-final size.

Regional: In some Indian markets, “planed” or “finished section” is also used informally.

Board
Universal: Board

A flat sawn piece of timber.

Regional: Used widely, though exact size expectations differ by supplier.

Plank
Universal: Plank

A thicker or wider sawn piece, usually used when heavier section is implied.

Regional: Often a commercial rather than formal grading term in India.

Batten
Universal: Batten

A relatively narrow sawn strip or section used in support, fixing, or framing applications.

Regional: Common across Indian construction and interior supply.

Recovery
Recovery / Sawing recovery

Output obtained from a log after sawing and conversion losses.

Regional: Critical commercial metric for Indian sawmills handling imported logs.

Drying & Moisture Terms

Moisture Content
Moisture content (MC)

Amount of water in timber, central to grading, drying, and performance.

Regional: India often discusses moisture practically rather than by formal acronym, but MC is widely understood.

Seasoning
Seasoning / Drying / Kiln drying

The process of drying timber to reduce moisture before use.

Regional: “Seasoned wood” remains common Indian phrasing alongside “kiln-dried.”

Air-Dried
Universal: Air-dried

Timber dried naturally in ambient conditions.

Regional: Used across India and South Asia for slower, lower-cost drying.

Kiln-Dried
Kiln-dried (KD)

Timber dried in a kiln under controlled conditions.

Regional: Preferred in export, joinery, and higher-stability applications.

Shrinkage
Universal: Shrinkage

Reduction in timber dimensions as moisture is lost.

Regional: Major issue in Indian project supply when green or insufficiently seasoned stock is used.

Check
Universal: Check

Crack in timber caused by drying or internal stress.

Regional: Indian traders may also say crack or split informally.

Structure & Appearance Terms

Grain
Universal: Grain

Direction and visual character of wood fibres.

Regional: Common in furniture, flooring, veneer, and joinery trade.

Sapwood
Universal: Sapwood

The outer, younger wood zone near the bark.

Regional: Often treated differently from heartwood in species like teak and rosewood.

Heartwood
Universal: Heartwood

The inner, usually more mature wood zone of the stem.

Regional: Frequently prized in premium Indian hardwood trade.

Knot
Universal: Knot

Embedded branch base affecting appearance and sometimes strength.

Regional: Grading impact varies by market and end use.

Figure
Universal: Figure

Decorative visual pattern caused by grain, growth, or cutting orientation.

Regional: Important in veneer and luxury joinery specifications.

Grading & Quality Terms

Grade
Universal: Grade

Designation of timber quality or classification.

Regional: Universal trade term, though rules vary sharply by country and product.

FAS
FAS (Firsts and Seconds)

Firsts and Seconds, a high hardwood lumber grade requiring 83⅓ percent clear-face cuttings on both sides and minimum size rules in the US system.

Regional: Not an Indian native grading term, but important when buying American hardwoods into India or the Gulf.

Defect
Universal: Defect

Feature or fault affecting appearance, strength, yield, or usability.

Regional: Must be tied to a grading rule or agreed inspection standard in cross-border trade.

Veneer, Panel & Engineered Wood Terms

Veneer
Universal: Veneer

Thin sheet of wood produced mainly by peeling or slicing logs.

Regional: Core term in plywood, decorative panel, and face-veneer trade.

Plywood
Universal: Plywood

Panel made from bonded veneer layers.

Regional: Common product across India, South Asia, and Gulf fit-out markets.

Engineered Wood
Engineered wood products (EWP)

Reconstituted or assembled wood products made for performance, stability, or efficiency.

Regional: Encompasses glulam and many panel-based products in trade speech.

Preservation & Treatment Terms

Preservative Treatment
Universal: Preservative treatment

Chemical treatment intended to improve durability against decay or pests.

Regional: Critical in exterior, ground-contact, and humid-climate applications.

Treated Timber
Treated timber / Treated lumber

Timber that has undergone preservative or protective treatment.

Regional: “Treated timber” is more natural in India, Australia, and Gulf trade speech.

Trade, Specification & Logistics Terms

Timber Merchant
Timber merchant / Lumber dealer

Business that buys and sells timber products.

Regional: “Timber merchant” is standard Indian and Commonwealth phrasing.

Sawmill
Universal: Sawmill

Facility converting logs into sawn timber.

Regional: Core industrial term across all regions.

Specification
Specification / Spec

Agreed description of species, size, moisture, grade, finish, and treatment.

Regional: Cross-border trade should always reduce verbal grade descriptions into written specifications.

Project Timber
Project timber / Contract timber supply

Timber procured for a specific construction, interior, hospitality, or institutional job.

Regional: Widely used in India and Gulf fit-out supply chains.

Practical Standardisation Guide

For purchase orders, inspection sheets, and website taxonomy in India, the most robust format includes:

  1. 1Product family: logs, sawn timber, veneer, plywood, engineered wood, or treated timber
  2. 2Species: commercial name plus botanical name where known
  3. 3Condition: green, air-dried, kiln-dried, rough sawn, or dressed
  4. 4Quality language: local sales grade plus formal export grade if applicable
  5. 5End use: structural, joinery, furniture, flooring, packaging, pallets, formwork, or plywood manufacture

India-Specific Wording Patterns

Timber
preferred over
Lumber

In India, Pakistan, Bangladesh, Sri Lanka, the Gulf, and most Commonwealth-influenced trade contexts. “Lumber” is more North American.

Sawn timber
vs
Sawnwood

“Sawn timber” is the common Indian commercial phrase. “Sawnwood” appears more often in government, FAO, and supply-demand reporting.

Seasoned timber
vs
Air-dried / Kiln-dried

“Seasoned” is still common commercial wording in India, even when international suppliers specify drying method more precisely.

Sleepers
vs
Ties

“Sleepers” is the expected Commonwealth term for railway applications. North American documentation uses “ties”.

Timber merchant
vs
Lumber yard

“Timber merchant” is more natural in India and South/West Asia, although both terms are broadly understandable.

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© Harsha Timber & Saw Mills, Bangalore. This glossary is provided for educational purposes and commercial reference.

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