The exposure of plants to radioactive sources, typically cobalt-60, in order to generate mutations that may prove to have useful properties.

(colloquial) Immediately, without giving someone a chance to react or defend.

present participle of stand at attention

simple past tense and past participle of stand at attention

Third-person singular simple present indicative form of stand at attention

simple past tense of eat someone's lunch

Alternative form of two can play that game

Alternative form of an apple a day keeps the doctor away

simple past tense of have one's cake and eat it too

(literary or archaic) In the end, after everything, ultimately.