molar是什么意思 molar的用法 molar怎么读

molar

英 ['məʊlə]美 ['molɚ]

adj. 臼齿的；摩尔的；磨碎的

n. 臼齿，[解剖] 磨牙

星级词汇:★★

中文词源

molar 磨牙，臼齿

来自拉丁语molaris dens,磨牙，来自molaris,磨，词源同mill,dens,牙齿，词源同tooth.

英语词源

molar

molar: see mill

molar (n.)

"grinding tooth," mid-14c., from Latin molaris dens "grinding tooth," from mola "millstone," from PIE root *mel- "to rub, grind" (see mill (n.1)). As an adjective in this sense from 1620s. In Old English they were cweornteð "quern-teeth."

molar (adj.)

in chemistry, "pertaining to one mole," 1902, from mole (4) + -ar.

权威例句

1. Expression of hydrogenion concentrations in terms of molar concentrations is rather cumbersome.

用摩尔浓度表示氢离子浓度是相当麻烦的.

2. The President sat glumly rubbing his upper molar, saying nothing.

总统愁眉苦脸地坐在那里,磨着他的上牙, 一句话也没有说.

3. In 1927, at Chou - k'ou - tien, near Peking, a hominid lower molar of unusual pattern was discovered.

1927年, 在北京附近的周口店发现一颗形状异常的人类下臼齿.

4. Rough calculations obtained by use of molar concentrations rather than activities are sufficient.

根据克分子浓度而非根据活度得到的粗略计算结果即可满足要求.

5. THE INFLUENCE OF DENTAL FACTORS TO ERUPTION OF THE MANDIBULAR THIRD MOLAR.

牙齿因素对下颌第三磨牙萌出的影响.

来自互联网

[ molar 造句 ]