megalospheren.
/ˈmɛɡələ(ʊ)sfɪə/, /ˈmɛɡl̩ə(ʊ)sfɪə/, U.S. /ˈmɛɡ(ə)loʊˌsfɪ(ə)r/, /ˈmɛɡ(ə)ləˌsfɪ(ə)r/ Zoology.
The proloculus of a megalospheric foraminiferan shell.
ΚΠ
1896 J. J. Lister in Philos. Trans. 1895 (Royal Soc.) B. 186 401 Munier-Chalmas and Schlumberger distinguish the two groups as Form A, with a megasphere, and Form B, with a microsphere. I have ventured to modify one of these terms, and refer to the forms as megalospheric..and microspheric.]
1896 J. J. Lister in Philos. Trans. 1895 (Royal Soc.) B. 186 406 The parent shell is megalospheric, the megalosphere being pear-shaped.
1946 H. Woods Palaeontol. Invertebr. (ed. 8) 21 In one form [of Nummulites], the first or initial chamber, which is seen at the centre when the shell is split, is large and more or less spherical and is called the megalosphere.
1993 Jrnl. Eukaryotic Microbiol. 40 720/2 The megalosphere of the schizont is apparently smaller than the megalosphere of the gamont.
This entry has been updated (OED Third Edition, June 2001; most recently modified version published online March 2022).
<
n.1896- to start something
- to start the ball rolling
- to start the pot boiling
- to start the soul bolts
- to start to
- to start up
- to start upon
- to start with
- to startle back
- to startle into
- to starve for
- to starve out
- to starve the beast
- to starve to death
- to stash one's gab
- to stash the glim
- to stash up
- to state a case
- to state a vote
- to state it
- to state one's case
- to state the obvious
- to stave and tail
- to stave away
- to stave in