| ratio |
a proportional relation between numbers or things based on amount or degree. [2 definitions] |
| ratiocinate |
to think logically; reason. |
| ratiocination |
the process of thinking logically; reasoning. |
| ration |
a fixed amount allotted by an authority, as of scarce goods in wartime; authorized share. [5 definitions] |
| rational |
sensible or reasoned. [4 definitions] |
| rationale |
a fundamental reason for doing or being; basis. [2 definitions] |
| rationalism |
the principle or practice of valuing reason over other faculties such as emotion, sensation, or intuition. [3 definitions] |
| rationality |
the state of being rational; clarity of thinking. [3 definitions] |
| rationalization |
the act or process of accounting for one's behavior, events, or the like, with seemingly reasonable and logical explanations which are actually self-serving attempts to excuse or justify. |
| rationalize |
to account for (one's behavior, events, or the like) with apparently reasonable, but self-serving, explanations. [3 definitions] |
| ratite |
of birds, having a flat, ridgeless breastbone. [2 definitions] |
| rat kangaroo |
any of various small ratlike kangaroos that are about the size of a rabbit. |
| ratline |
any of the pieces of rope tied horizontally between a ship's shrouds like rungs on a ladder, which permit climbing. |
| rat mite |
a widespread mite carried by rats that can transmit typhus to humans or cause inflammation of the skin by its bite. |
| rat race |
(informal) an exhausting, competitive struggle or routine. |
| ratsbane |
a poison for rats, esp. arsenic trioxide. |
| rat snake |
any of several nonpoisonous snakes of North America and Eurasia that eat rodents and other small mammals. |
| rattail |
slim and tapering like a rat's tail. |
| rat-tail |
any of several deep-sea fishes with a large head and a long, tapering tail; grenadier. |
| rattail cactus |
a small, tropical cactus of Mexico and Central America having thin, drooping stems and bearing bright crimson flowers, widely cultivated as a houseplant. |
| rattan |
a climbing palm plant with long, tough, pliable stems. [2 definitions] |