I made a definition for this word.

我给这个字下了义。

The book attempts a definition of his role in world politics.

该书要是他在世界政局中作用。

They concentrated on better definition of the optical image.

他们致力于提高该光学影像清晰度。

A clinic for women would, by definition, deal with pregnancy and childbirth.

根据义，妇科诊所处理妊娠和分娩事宜。

Parallel lines are, by definition, lines on the same plane that never join.

按照义说, 平行线是在同一平面上永不相交线。

The definition ,basic nature, important rule and histerieal significancy of continued fraction are introduced.

介绍了连分数含义、基本性质以及连分数重要理和作用。

Objective: To determine the definition of overtension causing blast lung injury and explore its mechanism.

揭示肺冲击伤中过牵效应含义和发生机制。

According to a strict definition, the expenses of a self-employed person can be deducted from tax.

根据严格义，个体经营者开支可从税款中扣除。

Definition: Aniseed consists of the whole dry cremocarp of Pimpinella anisum L.

本品为伞形科植物茴芹Pimpinella anisum L.干燥双旋果。

Definition: Christina Loosestrife is the dried herb of Lysimachia christinaie Hance (Fam.Primulaceae).

本品为报春花科植物过路黄Lysimachia christinae Hance干燥全草。

Definition: Oleo-resin obtained from the trunk of Myroxylon balsamum (L.) Harms var. balsamum.

本品为自豆科植物脂树Myroxylon balsamum (L.) Harms var. balsamum.树干获取油树脂。

Definition: Dried ripe fruit of Serenoa repens (Bartram) Small. (Sabal serrulata (Michaux) Nichols).

本品为棕榈科植物锯齿棕Sabal serrulata (Michaux) Nichols干燥成熟果实。

Definition form Wikipedia: A degauss causes a magnetic field to oscillate rapidly, with decreasing amplitude.

摘自维基百科义：消磁器产生幅度递减快速交变磁场。

Definition: Nutgrass Galingale Rhizome is the dried rhizome of Cyperus rotundus L. (Fam.Cyperaceae).

本品为莎草科植物莎草 Cyperus rotundus L. 干燥根茎。

Definition: Black Sesame is the dried ripe seed of Sesamum indicum L. (Fam.Pedaliaceae).

本品为脂麻科植物脂麻 Sesamum indicum L. 干燥成熟种子。

Definition: Rangooncreeper Fruit is the dried ripe fruit of Quisqualis indica L. (Fam.Combretaceae).

本品为使君子科植物使君子 Quisqualis indica L. 干燥成熟果实。

Definition: Cascara consists of the dried, whole or fragmented bark of Rhamnus purshianus D.

本品为鼠李科植物珀希鼠李Rhamnus purshianus D.

The introduction is mainly about the definition of eponym, and emphasizing its development and synchrony with language.

前言主要是名祖名词义，述名祖名词发展和存在现状，并强调了名祖名词始终与语言发展共时。

Definition: Cowherb Seed is the dried ripe seed of Vaccaria segetalis (Neck.) Garcke (Fam.Caryophyll-aceae).

本品为石竹科植物麦蓝菜 Vaccaria segetalis (Neck.) Garcke 干燥成熟种子。

Definition: Pipewort Flower is the dried capitulum with peduncle of Eriocaulon buergerianum Koern. (Fam.Eriocaulaceae).

本品为谷精草科植物谷精草 Eriocaulon buergerianum Koern. 干燥带花茎头状花序。