Matching Words
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Megaspore
- noun - larger of the two types of spore produced in heterosporous plants; develops in ovule into a female gametophyte
Melospiza
- noun - American song sparrow and swamp sparrow
Mercaptal
- - Any one of a series of compounds of mercaptans with aldehydes.
Mercaptan
- - Any one of series of compounds having an -SH radical attached to a carbon atom, also considered as hydrosulphides of alcohol radicals, in composition resembling the alcohols, but containing sulphur in place of oxygen, and hence called also the sulphur alcohols. In general, they are colorless liquids having a strong, repulsive, garlic odor. The name is specifically applied to ethyl mercaptan, C2H5SH. So called from its avidity for mercury, and other metals.
Mesosperm
- - A membrane of a seed. See Secundine.
Micropore
- unknown - Small hole in material
Micropsia
- unknown - condition of the eyes in which objects look smaller than usual
Micropyle
- noun - minute opening in the wall of an ovule through which the pollen tube enters