| 释义 |
pla·no·spiral
\|plānō+\ adjective
also pla·ni·spiral \|plānə+\
Etymology: planospiral from plan- (II) + spiral; planispiral from plani- + spiral
: having the shell coiled in one plane — used especially of foraminifers and gastropod mollusks
• pla·no·spirally \“+\ adverb |