(genetics) a virus or other agent that is used to deliver DNA to a cell | (genetics) an organism that possesses a recessive gene whose effect is masked by a dominant allele; the associated trait is not apparent but can be passed on to offspring |
a variable quantity that can be resolved into components | a large warship that carries planes and has a long flat deck for takeoffs and landings |
any agent (person or animal or microorganism) that carries and transmits a disease | a rack attached to a vehicle; for carrying luggage or skis or the like |
a straight line segment whose length is magnitude and whose orientation in space is direction | a self-propelled wheeled vehicle designed specifically to carry something |
| a person or firm in the business of transporting people or goods or messages |
| (medicine) a person (or animal) who has some pathogen to which he is immune but who can pass it on to others |
| a boy who delivers newspapers |
| a man who delivers the mail |
| someone whose employment involves carrying something |
| a radio wave that can be modulated in order to transmit a signal |
| an inactive substance that is a vehicle for a radioactive tracer of the same substance and that assists in its recovery after some chemical reaction |