velope

Look at other dictionaries:

• floral envelope — flo′ral en′velope n. bot the calyx and corolla of a flower • Etymology: 1820–30 …   From formal English to slang

• nuclear membrane — nu′clear mem′brane n. hic (lab cbl) the double membrane surrounding the nucleus within a cell. Also called nu′clear en′velope • Etymology: 1885–90 …   From formal English to slang