chalaza
[ kuh-ley-zuh ]
/ kəˈleɪ zə /
noun, plural cha·la·zas, cha·la·zae [kuh-ley-zee] /kəˈleɪ zi/.
Zoology.
one of the two albuminous twisted cords which fasten an egg yolk to the shell membrane.
Botany.
the point of an ovule or seed where the integuments are united to the nucellus.
Origin of chalaza
1695–1705; < New Latin < Greek: hail, lump
OTHER WORDS FROM chalaza
cha·la·zal, cha·la·zi·an [kuh-ley-zee-uh n] /kəˈleɪ zi ən/, adjectiveWords nearby chalaza
chakalaka,
chakra,
chakravartin,
chal.,
chalasia,
chalaza,
chalazion,
chalcanthite,
chalcedon,
chalcedony,
chalcid
Example sentences from the Web for chalaza
British Dictionary definitions for chalaza
chalaza
/ (kəˈleɪzə) /
noun plural -zas or -zae (-ziː)
one of a pair of spiral threads of albumen holding the yolk of a bird's egg in position
the basal part of a plant ovule, where the integuments and nucellus are joined
Derived forms of chalaza
chalazal, adjectiveWord Origin for chalaza
C18: New Latin, from Greek: hailstone
Scientific definitions for chalaza
chalaza
[ kə-lā′zə ]
Plural chalazae (kə-lā′zē) chalazas
One of two spiral bands of tissue in an egg that connect the yolk to the lining membrane at either end of the shell.
The region of a plant ovule that is opposite the micropyle, where the integuments and nucellus are joined.