frustule
English
Etymology
Borrowed from
Latin
frustulum
, from
frustum
(
“
morsel
”
)
.
Noun
frustule
(
plural
frustules
)
(
botany
)
The
siliceous
shell of a
diatom
.
Synonym:
testule
Derived terms
megafrustule
See also
frustum
Anagrams
sulfuret