a bluish translucent magnetic liquid obtained by compressing gaseous oxygen and then cooling it below its boiling point; used as an oxidizer in rocket propellants
emptied or exhausted of (as by drawing off e.g. water or other liquid); "a drained marsh"; "a drained tank"; "a drained and apathetic old man...not caring any longer about anything"
a hemoprotein composed of globin and heme that gives red blood cells their characteristic color; function primarily to transport oxygen from the lungs to the body tissues; "fish have simpler hemoglobin than mammals"
deficient in originality or creativity; lacking powers of invention; "a sterile ideology lacking in originality"; "unimaginative development of a musical theme"; "uninspired writing"
the act of reconnoitring (especially to gain information about an enemy or potential enemy); "an exchange of fire occurred on a reconnaissance mission"
any of a large variety of proteins normally present in the body or produced in response to an antigen which it neutralizes, thus producing an immune response