diffusion of molecules through a semipermeable membrane from a place of higher concentration to a place of lower concentration until the concentration on both sides is equal
a variable quantity that can be resolved into components
any agent (person or animal or microorganism) that carries and transmits a disease; "mosquitos are vectors of malaria and yellow fever"; "fleas are vectors of the plague"; "aphids are transmitters of plant diseases"; "when medical scientists talk about vectors they are usually talking about insects"
a straight line segment whose length is magnitude and whose orientation in space is direction
a written communication in a second language having the same meaning as the written communication in a first language
a uniform movement without rotation
(genetics) the process whereby genetic information coded in messenger RNA directs the formation of a specific protein at a ribosome in the cytoplasm
(mathematics) a transformation in which the origin of the coordinate system is moved to another position but the direction of each axis remains the same
(music) playing in a different key from the key intended; moving the pitch of a piece of music upwards or downwards
the act of reversing the order or place of
(electricity) a rearrangement of the relative positions of power lines in order to minimize the effects of mutual capacitance and inductance; "he wrote a textbook on the electrical effects of transposition"
(mathematics) the transfer of a quantity from one side of an equation to the other along with a change of sign
(genetics) a kind of mutation in which a chromosomal segment is transfered to a new position on the same or another chromosome
a passage that connects a topic to one that follows
a musical passage moving from one key to another
a change from one place or state or subject or stage to another
make or undergo a transition (from one state or system to another); "The airline transitioned to more fuel-efficient jets"; "The adagio transitioned into an allegro"
cause to convert or undergo a transition; "the company had to transition the old practices to modern technology"
cause or enable to pass through; "The canal will transit hundreds of ships every day"
revolve (the telescope of a surveying transit) about its horizontal transverse axis in order to reverse its direction
pass across (a sign or house of the zodiac) or pass across (the disk of a celestial body or the meridian of a place); "The comet will transit on September 11"
make a passage or journey from one place to another; "The tourists moved through the town and bought up all the souvenirs;" "Some travelers pass through the desert"
(virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein
a software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer; "a true virus cannot spread to another computer without human assistance"
a harmful or corrupting agency; "bigotry is a virus that must not be allowed to spread"; "the virus of jealousy is latent in everyone"