Grinding wheels are used to abrade metal objects.
abrogate vt. to repeal or cancel ; annul
Only a court has the right to abrogate a wedding.
You may not abrogate your obligation to support your children unless a court rules so.
accretion n. 1. growth in size, especially by addition or accu-mulation of material; 2. accumulated matter
The accretion of sand brought in by the ocean has caused certain beaches to grow in size.
Regular brushing is needed to remove the accretion of plaque on ones teeth.
accumulate vt. to pile up; gather; form a heap
Over years of saving regularly, wealth accumulates.
Dirty laundry accumulates on the floor of any boys room.
In the autumn, leaves accumulate on the lawn in the temperate climate regions.
adjunct n. 1. an addition; something secondary in importance; 2. a person who is a helper of another ―adj. an assistant, such as an adjunct teacher, counselor, and so on
A police officer usually carries a second gun as an adjunct to his service weapon.
A pointer can be a useful adjunct at most slide shows.
An adjunct teacher is often found in a primary school classroom in addi-tion to the classroom teacher.
adrenaline n. first appeared as a trademarked name coined by chemist J. Takamine, who isolated it in 1901; now the nontechnical name for epinephrine, a hormone produced by the inner cortex of the adrenal glands
【GRE备考资料:韦士GRE核心词汇整理(A1)】相关文章:
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