penetrating electromagnetic radiation of a kind arising from the radioactive decay of atomic nuclei
a mixture of blood plasma proteins, mainly immunoglobulins, which have relatively low electrophoretic mobility
an amino acid which acts to inhibit the transmission of nerve impulses in the central nervous system
a polyunsaturated fatty acid (with one more double bond than linoleic acid) present as a glyceride in linseed and other oils and essential in the human diet
a greyish-brown European moth that has purple-tinged wings with a white Y-shaped mark on the forewings
a polyunsaturated fatty acid (with one more double bond than linoleic acid) present as a glyceride in linseed and other oils and essential in the human diet