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From Longman Dictionary of Contemporary English
Related topics: Medicine, Technology
fluidflu‧id1 /ˈfluːɪd/ ●●○ noun [countable, uncountable] technical  MTa liquidgas, solid He is not allowed solid food yet, only fluids. a powerful cleaning fluid
Examples from the Corpus
fluidEnsure that manufacturers' recommendations about fluids are followed.Suspended in amniotic fluid, the fetus is also weightless.The HIV virus is transmitted though body fluids, during sexual intercourse.Brake fluid was leaking out from under my car.brake fluidIn the latter conditions, the cerebrospinal fluid has a cell count ranging from only a few to hundreds.Manipulators, fed by red veins of hydraulic fluid, fold elbows-up beside her cheeks like legs of a praying mantis.In extreme heat your body will lose fluid and salt.Be sure and drink plenty of fluids.Each part was cushioned by synovial fluid.They left the fluids overnight to get rid of the air bubbles trapped inside.Spray on woodworm fluid following the manufacturer's advice, and replace the boards and then spray the top surface.
fluidfluid2 adjective  1 CHANGE/BECOME DIFFERENTa situation that is fluid is likely to change2 GRACEFULfluid movements are smooth, relaxed, and graceful a loose, fluid style of dancing3 a fluid substance is a liquidfluidity /fluˈɪdəti/ noun [uncountable]gaseous, solid
Examples from the Corpus
fluidOur plans for the project are still somewhat fluid.As markets become more fluid and global, leaders must be more careful about alienating investors.They have also been regarded as a topic distinctive to fluid dynamics.a fluid guitar soloThe sculptures are admired for their round shapes and fluid lines.Almost every effect of fluid motion must at some time have been tried as a means of measuring velocities.Clark throws with a fluid motion.This was not the fluid, precise canvas of the Cal victory.Man beats back the jungle, the vines and fluid spong trees inexorably overwhelm the masonry.In three other experiments fluid transport in the jejunum was nil.
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