Library / English Dictionary |
RN
Pronunciation (US): | (GB): |
I. (noun)
Sense 1
Meaning:
A graduate nurse who has passed examinations for registration
Synonyms:
registered nurse; RN
Classified under:
Hypernyms ("RN" is a kind of...):
nurse (one skilled in caring for young children or the sick (usually under the supervision of a physician))
Hyponyms (each of the following is a kind of "RN"):
nurse-midwife (a registered nurse who has received special training as a midwife)
NP; nurse clinician; nurse practitioner (a registered nurse who has received special training and can perform many of the duties of a physician)
Sense 2
Meaning:
A radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health
Synonyms:
atomic number 86; radon; Rn
Classified under:
Hypernyms ("Rn" is a kind of...):
chemical element; element (any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter)
argonon; inert gas; noble gas (any of the chemically inert gaseous elements of the helium group in the periodic table)