Nature: A record-based case–control study of natural background radiation and the incidence of childhood leukaemia and other cancers in Great Britain during 1980–2006
A recent example of an investigation of the possible effects of natural background radiation upon the risk of childhood cancer is the UK Childhood Cancer Study (UKCCS), a large interview-based ...
A record-based case–control study of natural background radiation and the incidence of childhood leukaemia and other cancers in Great Britain during 1980–2006
natural, ingenuous, naive, unsophisticated, artless mean free from pretension or calculation. natural implies lacking artificiality and self-consciousness and having a spontaneousness suggesting the natural rather than the man-made world. ingenuous implies inability to disguise or conceal one's feelings or intentions.
NATURAL definition: existing in or formed by nature. See examples of natural used in a sentence.
NATURAL meaning: 1. as found in nature and not involving anything made or done by people: 2. A natural ability or…. Learn more.
- of, existing in, or produced by nature: natural science; natural cliffs. 2. in accordance with human nature: it is only natural to want to be liked. 3. as is normal or to be expected; ordinary or logical: the natural course of events. 4. not acquired; innate: a natural gift for sport.
Definition of natural adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
not affected by humans or civilization; uncultivated; wild: in the natural state this animal is not ferocious being or made from organic material; not synthetic: a natural fibre like cotton