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单词只背一遍0095｜雅思核心单词sediment

考研英语外刊阅读 · 公众号 · · 2021-05-30 16:07

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sediment

英 [ˈsedɪmənt] 美 [ˈsedɪmənt]

英汉释义

n. 沉积；沉淀物

[ 复数 sediments 第三人称单数 sediments 现在分词 sedimenting 过去式 sedimented 过去分词 sedimented ]

英英释义

1. N-VAR Sediment is solid material that settles at the bottom of a liquid, especially earth and pieces of rock that have been carried along and then left somewhere by water, ice, or wind. 沉淀物; 沉渣

例：

Many organisms that die in the sea are soon buried by sediment.

许多在海里死亡的生物很快便被沉淀物掩埋。

图片记忆

词根词缀

1.词根词缀：-ment

【来源及含义】Latin: a suffix; result of, means of, act of; place of action

【相关描述】The suffix -meant is a final word element derived through Middle English and French from the Latin suffix -ment(um), originally used to form agent and action nouns from verbs, now used to form nouns and denominative verbs in several related senses:

The verb combinations show no change in basic form: cement, compliment, lament.

Principal parts: -menting, -mented, -mented.

Related forms: -mentum (singular); -menta, -menti, -ments (plurals).

【同源单词】abolishment, abridgment, accompaniment, accomplishment, accouterment, achievement

2.词根词缀：sed-, sedat-, -sid, -sess

【来源及含义】Latin: sit, sitting

【同源单词】assess, assessable, assessment, assessor, assessorial, assiduity

词源记忆

【中文词源】：

来自拉丁语 sedere,坐下，词源同 sit,seat.-ment,名词后缀。引申比喻义沉积物，沉淀物。 【英语词源】：

1540s, "matter which settles at the bottom of water or other liquid," from Middle French sédiment (16c.) and directly from Latin sedimentum "a settling, sinking down," from stem of sedere "to settle, sit" (see sedentary).