| natural object | an object occurring naturally, not made by man |
electron spin resonance
ESR
electron paramagnetic resonance | microwave spectroscopy in which there is resonant absorption of radiation by a paramagnet |
| intrinsic fraud | fraud (as by use of forged documents or false claims or perjury) that misleads a court or jury and induces a finding for the one perpetrating the fraud |
| natural family planning | any of several methods of family planning that do not involve sterilization or contraceptive devices or drugs, coitus is avoided during the fertile time of a woman's menstrual cycle |
magnetic resonance imaging
MRI | the use of nuclear magnetic resonance of protons to produce proton density images |
functional magnetic resonance imaging
fMRI | a form of magnetic resonance imaging of the brain that registers blood flow to functioning areas of the brain |
blood-oxygenation level dependent functional magnetic resonance imaging
BOLD FMRI | functional magnetic resonance imaging that relies on intrinsic changes in hemoglobin oxygenation |
| natural | (craps) a first roll of or that immediately wins the stake |
| natural virtue | (scholasticism) one of the four virtues (prudence, justice, fortitude, and temperance) derived from nature |
| resonance | the quality imparted to voiced speech sounds by the action of the resonating chambers of the throat and mouth and nasal cavities |
plangency
resonance
reverberance
ringing
sonorousness
sonority
vibrancy | having the character of a loud deep sound, the quality of being resonant |
| natural ability | ability that is inherited |
endowment
gift
talent
natural endowment | natural abilities or qualities |
| natural history | the scientific study of plants or animals (more observational than experimental) usually published in popular magazines rather than in academic journals |
law
natural law | a rule or body of rules of conduct inherent in human nature and essential to or binding upon human society |
| natural science | the sciences involved in the study of the physical world and its phenomena |
physics
natural philosophy r | the science of matter and energy and their interactions, his favorite subject was physics |
natural language processing
NLP
human language technology | the branch of information science that deals with natural language information |
| natural theology | a theology that holds that knowledge of God can be acquired by human reason without the aid of divine revelation |
natural language processor
natural language processing application | an application program that deals with natural language text |
natural logarithm
Napierian logarithm | a logarithm to the base e |
natural
cancel | a notation cancelling a previous sharp or flat |
natural language
tongue | a human written or spoken language used by a community, opposed to e.g. a computer language |
happening
occurrence
occurrent
natural event | an event that happens |
Royal Society
Royal Society of London for Improving Natural Knowledge | an honorary English society (formalized inand given a royal charter by Charles II in ) through which the British government has supported science |
covering
natural covering
cover | a natural object that covers or envelops, under a covering of dust, the fox was flushed from its cover |
enclosure
natural enclosure | a naturally enclosed space |
natural depression
depression | a sunken or depressed geological formation |
natural elevation
elevation | a raised or elevated geological formation |
| natural order | the physical universe considered as an orderly system subject to natural (not human or supernatural) laws |
spring
fountain
outflow
outpouring
natural spring | a natural flow of ground water |
| natural | someone regarded as certain to succeed, he's a natural for the job |
naturalist
natural scientist | a biologist knowledgeable about natural history (especially botany and zoology) |
| natural phenomenon | all phenomena that are not artificial |
| resonance | a vibration of large amplitude produced by a relatively small vibration near the same frequency of vibration as the natural frequency of the resonating system |
| resonance | an excited state of a stable particle causing a sharp maximum in the probability of absorption of electromagnetic radiation |
| nuclear resonance | the resonance absorption of a gamma ray by a nucleus identical to the nucleus that emitted the gamma ray |
| magnetic resonance | resonance of electrons or atoms or molecules or nuclei to radiation frequencies as a result of space quantization in a magnetic field |
nuclear magnetic resonance
NMR
proton magnetic resonance | resonance of protons to radiation in a magnetic field |
natural resource
natural resources | resources (actual and potential) supplied by nature |
| natural childbirth | labor and childbirth without medical intervention, no drugs are given to relieve pain or aid the birth process, natural childbirth is considered the safest for the baby |
natural process
natural action
action
activity | a process existing in or produced by nature (rather than by the intent of human beings), the action of natural forces, volcanic activity |
survival
survival of the fittest
natural selection
selection | a natural process resulting in the evolution of organisms best adapted to the environment |
| natural number | the number and any other number obtained by adding to it repeatedly |
rapport
resonance | a relationship of mutual understanding or trust and agreement between people |
| natural shape | a shape created by natural forces, not man-made |
wild
natural state
state of nature | a wild primitive state untouched by civilization, he lived in the wild, they collected mushrooms in the wild |
natural immunity
innate immunity | immunity to disease that occurs as part of an individual's natural biologic makeup |
| natural glass | magma of any composition that cooled very rapidly |
| natural resin | a plant exudate |