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cissoid
释义
WordReference Random House Unabridged Dictionary of American English © 2024
cis•soid
(sis
′
oid),
USA pronunciation
n.
[
Geom.
]
Mathematics
a curve having a cusp at the origin and a point of inflection at infinity. Equation:
r
= 2
a
sinθtanθ.
Greek
kissoeidé̄s,
equivalent. to
kiss
(
ós
) ivy +
-oeidēs
-
oid
1650–60
cis•soi
′
dal
,
adj.
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subinfeudation
subinfeudatory
subinfluent
subinterval
subirrigate
subirrigation
subitise
subitize
subito
subj.
subj
subjacency
subjacent
subjacently
subject
subjectability
subjectable
subject catalog
subject complement
subjectedly
subjectedness
subjectification
subjectify
subjection
subjectional
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更新时间:2025/2/23 15:21:32