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单词
preformation
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pre•for•ma•tion
(prē′fôr mā
′
shən),
USA pronunciation
n.
previous formation.
Biology
(formerly) the theory that the individual, with all its parts, preexists in the germ cell and grows from microscopic to normal proportions during embryogenesis (opposed to
epigenesis
).
pre
- +
formation
1725–35
pre′for•ma
′
tion•ar•y
,
adj.
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drearily
dreariness
drearisome
dreary
dreck
drecksill
dredge
dredged
dredger
dredge up
dredging
dredging machine
dred scott decision
dree
dreed
dreeing
dreg
dregginess
dreggy
d region
dregs
dreich
dreidel
dreigh
dreikanter
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更新时间:2025/11/19 14:01:07