本文件定义了与圆木和锯材相关的术语。它适用于识别树木及其组成部分、圆形和锯形加工阶段，以及木材分级、尺寸、解剖结构、特征、含水量和与污渍、真菌和昆虫攻击有关的条件。它不适用于与木材、工程木材产品或木结构的强度特性有关的术语。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document defines terms related to round and sawn timber. It applies to identification of a tree and its components, stages of processing in round and sawn forms, and timber grading, dimensions, anatomical structure, features, moisture content and conditions relating to stain, fungal and insect attack. It does not apply to terms related to strength properties of wood, engineered timber products or timber structures.All current amendments available at time of purchase are included with the purchase of this document.