| 单词 | natural year |
| 释义 | natural /nachˈ(ə-)rəl/adjective
ORIGIN: L nātūrālis, from nātūra nature natˈuralism noun
natˈuralist noun
naturalistˈic adjective Relating to or in accordance with nature, natural history or naturalism naturalistˈically adverb naturalīzāˈtion or naturalīsāˈtion noun natˈuralize or natˈuralise transitive verb
natˈurally adverb
natˈuralness noun natural abundance noun (physics) Same as abundance natural background noun The radiation due to natural radioactivity and to cosmic rays, enhanced by contamination and fallout natˈural-born adjective Native natural childbirth noun Childbirth with as little medical intervention, esp as little anaesthesia, etc as possible, relying on the mother doing special breathing and relaxation exercises natural classification see natural system below. natural cycle IVF noun IVF (qv) in which the woman is allowed to ovulate naturally rather than being given drugs to stimulate ovulation natural death noun Death owing to disease or old age, not violence or accident natural frequency noun
natural gas noun Gases issuing from the earth, whether from natural fissures or bored wells, applied particularly to the hydrocarbon gases associated with the production of petroleum and used as domestic or industrial fuel in place of town gas (see also North Sea gas under north) natural historian noun natural history noun Orig the description of all that is in nature, now used of the sciences that deal with the earth and its productions, ie botany, zoology and mineralogy, esp field zoology natural immunity noun That level of immunity with which a person is born (cf acquired immunity) natural killer cell noun A naturally occurring lymphoid cell which attacks and destroys tumour cells and some virally infected cells in the absence of prior immunization and without evident antigen specificity natural language noun A language which has evolved naturally, opp to artificial language natural law noun
natural logarithm noun One to the base e natural magic see under magic natural numbers plural noun The whole numbers 1, 2, 3 and upwards, sometimes also including 0 natural order noun (in botany) a category now usually called a family natural philosopher noun natural philosophy noun
natural radioactivity noun Radioactivity that is found in nature natural religion see natural theology below. natural resources plural noun Features, properties, etc of the land such as minerals, an abundance of water, timber, etc that occur naturally and can be exploited by human beings natural scale noun A scale of music written without sharps or flats natural science noun The science of nature, as distinguished from mental and moral science and from mathematics natural selection noun Evolution by the survival of the fittest with inheritance of their fitness by the next generation natural system or natural classification noun A classification of plants and animals according to presumed relationship by descent, distinguished in botany from the artificial system of Linnaeus natural theology or natural religion noun Religion derived from reasoned facts, not revelation natural therapy noun Treatment based on the ability of the body to heal itself natural virtues plural noun Those virtues (esp justice, prudence, temperance and fortitude) of which people are capable natural wastage noun (reduction of staff by) non-replacement of those who leave, eg through retirement natural year see under year year /yēr or yûr/noun (pl years or, used adjectivally with a preceding numeral, year, eg a three-year period)
ORIGIN: OE gēar; Ger Jahr, ON ār, Gr hōrā season yearˈling noun
yearˈly adjective
A publication appearing, an event occurring, etc, once a year yearˈbook noun A book published annually, reviewing the events of the past year year-endˈ noun The end of the (esp financial) year (also adjective) yearˈlong adjective Lasting a year year-on-yearˈ adjective (economics) Of figures, set against figures for the equivalent period in the previous year yearˈ-round adjective Existing, lasting, open, etc throughout the year anomalistic year A year as measured by the earth's time of passage from perihelion to perihelion, ie 365 days, 6 hours, 13 minutes, 49 seconds astronomical year A year as measured by the time between two occurrences of the same equinox or solstice, ie the time taken for one complete mean apparent circuit of the ecliptic by the sun, ie 365 days, 5 hours, 48 minutes, 46 seconds (also called the equinoctial, natural, solar or tropical year) calendar year same as legal year below. canicular year The Sothic year (see under Sothic) civil year same as legal year below. ecclesiastical year The year as arranged in the ecclesiastical calendar, with the saints' days, festivals, etc embolismic year A year of thirteen lunar months (384 days) occurring in a lunisolar calendar such as that of the Jews equinoctial year see astronomical year above. financial year see under finance fiscal year see under fiscal great year see Platonic year below. Hebrew year A lunisolar year, of 12 or 13 months of 29 or 30 days (in every cycle of nineteen years the 6th, 8th, 11th, 14th, 17th and 19th having thirteen months instead of twelve) Julian year The year according to the Julian calendar (introduced by Julius Caesar, modified by Augustus; superseded by the Gregorian calendar), a period of 3651/4 days, longer than an astronomical year by about 11 minutes (see also style) leap year see above. legal year The year by which dates are reckoned (it has begun on different dates at different periods in history, and for six centuries before 1752 it began in England on 25 March since when (earlier in Scotland) it has begun on 1 January) lunar year A period of twelve lunar months or 354 days natural year see astronomical year above. Platonic year A cycle of years at the end of which the heavenly bodies were supposed to be again in the same place as at the Creation (also called great or perfect year) sabbatical year see under Sabbath sidereal year The period required by the sun to move from a given star to the same star again, having a mean value of 365 days, 6 hours, 9 minutes, 9.6 seconds solar or tropical year see astronomical year above. the year dot see under dot1 the Year of Grace, or of our Lord A formula used in stating any particular year since Christ's birth year in, year out
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