the egg of birds and insects, which is enclosed in a protective shell limiting the exchange of water, gases, etc
noun Word Origin
active c515–c495 b.c, Athenian statesman. Historical Examples History Of Ancient Civilization Charles Seignobos Historic Tales, vol 10 (of 15) Charles Morris Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 5 Various Ancient Art and Ritual Jane Ellen Harrison Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 4 Various The History Of Herodotus Herodotus Encyclopaedia Britannica, 11th Edition, […]
a combining form meaning “closed,” “capable of being closed,” used in the formation of compound words: cleistogamy; cleistothecium.