an environmental cue, as the length of daylight or the degree of temperature, that helps to regulate the cycles of an organism's biological clock

characterized by long words

adverse in tendency or effect; unfavorable; harmful

establish (an attitude, habit, or belief) so firmly that change is very difficult or unlikely

a circular hollow in the side of a hill or mountain

a false argument; sophism

to pronounce or decree by judicial sentence

any flight or journey to a more desirable or congenial place

to wipe out; do away with; expunge

having hegemony or dominance

overlapping in sequence, as tiles or shingles on a roof

glowing or glittering with red or golden light

any external prop or support built to steady a structure by opposing its outward thrusts, especially a projecting support built into or against the outside of a masonry wall

physical beauty; comeliness

to fuse into one entity; merge

of, in, or appropriate to spring