irritant odor; irritant odour; irritating smell (odor, odour)
protection against wind; windbreak; crystal (glass or plastic cover over a watch face)
to become locked; to lock
speech; tongue; dialect; brogue; bento; Japanese box lunch; petal
ingredient; component; composition
to examine; to look up; to investigate; to check up; to sense; to study
fossil; petrifaction; petrification; fossilization
to soak; to dip; to steep; to moisten; to wet
extraction; abstraction; selection (from a group); sampling
starting (a machine, engine, etc.); starting (a project, plan, etc.); beginning; initiation
operation; management; handling; manipulating (to one's benefit); manipulation; influencing
first of all; to begin with; probably; most likely; more or less (satisfactory); on the whole
to change; to switch; to change over (to); to renew
mixing; mixture; meld; miscegenation
ratio; proportion; match; equal; compared with ...; relative to ...
most suitable; optimum; optimal; best
to match (rhythm, speed, etc.); to join together; to unite; to face; to be opposite (someone); to compare; to check with
flap (of an aircraft wing); seal flap (of an envelope)
refrigerator; cooler; freezer; radiator (of a car)
rumbling (of thunder, one's stomach, etc.); grumbling; rolling (of something large and heavy); tumbling; all over the place; everywhere; idly
heavy; weighty; heavy (feeling); depressed; slow; sluggish; important (position, responsibility, etc.)
feeling; mood; disposition; mental attitude; somewhat; slightly
plug; connector; spark plug
oscillation; vibration; swing (e.g. of a pendulum)
to put on the brakes; to put a stop to
expression; look; countenance; face
favourable; favorable; doing well; OK; all right
to cover; to hide; to conceal; to wrap; to disguise
to be sufficient; to be enough; to be worth doing; to be worthy of; to do (the job); to serve
five (long cylindrical things)
having gone too far to turn back
constant attendance; uninterrupted supervision; staying with someone all the time
maintenance; servicing; putting in place; development; improvement
although I say; although one might say; although called
evening meal; dinner; supper