a white to gray, brittle mineral, antimony -rs-nide, -ssb, occurring in reniform m-sses: formerly used as an ore of -rs-nic.
- Allen park
a city in se michigan.
- Allen key
noun an l-shaped tool consisting of a rod having a hexagonal cross section, used to turn a screw (allen screw) with a hexagonal recess in the head. a different size of key is required for each size of screw noun a hex head spanner designed to fit into and turn an allen screw; also known […]
- Allen screw
a screw turned by means of an axial hexagonal hole in its head.
- Allen test
allen test allen test n. a test for occlusion of the radial or ulnar artery, in which one of these arteries is compressed after blood has been forced out of the hand by clenching it into a fist; failure of the blood to diffuse into the hand when opened indicates that the artery not compressed […]
- Allen's law
allen’s law allen’s law al·len’s law (āl’ənz) n. the principle that, in contrast to a normal physiology, the more carbohydrate taken by a diabetic, the less carbohydrate is utilized.