12-Letter Words That End With: ANT

• an agent (as heat or radiation or a chemical) that destroys microorganisms that might carry disease

• preventing infection by inhibiting the growth or action of microorganisms

• A sleepwalker.

• Walking as if, or while, asleep; sleepwalking.

• a member of the armed forces who does not participate in combat (e.g. a chaplain or surgeon)

• used of civilians in time of war

• member of armed forces whose duties do not include fighting as e.g. a chaplain or surgeon

• excessively abundant

• One who concelebrates.

• An expression that gives information about the roots of a polynomial; for example, the expression D = b2 - 4ac determines whether the roots of the quadratic equation ax2 + bx + c = 0 are real and distinct (D > 0), real and equal (D = 0) or complex (D < 0).

• The invariant (on the vector space of forms of degree d in n variables) that vanishes exactly when the corresponding hypersurface in Pn-1 is singular.

• Serving to discriminate.