| 释义 |
lightening
lighteningbecoming lighter or brighter: The sky began lightening as the storm passed.
Not to be confused with:lightning – a brilliant electric discharge in the sky: The dark sky was pierced by lightning.light·en 1 L0162100 (līt′n)v. light·ened, light·en·ing, light·ens v.tr.1. a. To make light or lighter; illuminate or brighten.b. To make (a color) lighter.2. Archaic To enlighten.v.intr.1. To become lighter; brighten.2. To be luminous; shine.3. To give off flashes of lightning.
light·en 2 L0162100 (līt′n)v. light·ened, light·en·ing, light·ens v.tr.1. To make less heavy: I lightened my backpack by removing a large textbook.2. To lessen the severity or oppressiveness of: lighten the workload. See Synonyms at relieve.3. To make less worried or more cheerful: lighten the mood.v.intr.1. To become less in weight.2. To become less oppressive, troublesome, or severe.3. To become cheerful: The mood lightened when the party started.Phrasal Verb: lighten up Informal To take matters less seriously: Everything will work out fine, so stop worrying and lighten up.lightening (ˈlaɪtənɪŋ) n (Gynaecology & Obstetrics) obstetrics the sensation, experienced by many women late in pregnancy when the head of the fetus enters the pelvis, of a reduction in pressure on the diaphragm, making it easier to breathelightening - A drop in the level of the womb during the last weeks of pregnancy, as the head of the fetus engages in the pelvis.See also related terms for womb.lighteningThe operation (normally carried out at anchor) of transferring crude oil cargo from a large tanker to a smaller tanker, so reducing the draft of the larger tanker to enable it to enter port.Thesaurus| Noun | 1. | lightening - descent of the uterus into the pelvic cavity that occurs late in pregnancy; the fetus is said to have droppeddescent - a movement downward | | 2. | lightening - changing to a lighter colorwhiteningchange of color - an act that changes the light that something reflectsbleach - the act of whitening something by bleaching it (exposing it to sunlight or using a chemical bleaching agent) |
TranslationsEncyclopediaSeelightninglightening
lightening [līt´en-ing] the sensation of decreased abdominal distention caused by descent of the uterus into the pelvic cavity, 2 or 3 weeks before labor begins.light·en·ing (līt'en-ing), Sensation of decreased abdominal distention during the later weeks of pregnancy following the descent of the fetal head into the pelvic inlet.The descent of the foetus, resulting in decreased fundal height, an event that occurs about 2 weeks before labour, caused by physiologic changes of the uterus; lightening is characterised by an abrupt sensation of ‘lightness’ or relief from the weightiness felt by the mother which corresponds to the drop of the baby’s head into the pelvislightening Dropping Obstetrics The descent of the fetus deeper into the pelvis, resulting in a ↓ in the fundal height, an event that occurs from days to wks–usually 2 wks before labor and is caused by physiologic changes of the uterus; lightening is characterized by an abrupt sensation of 'lightness' or relief from the weightiness felt by the mother which corresponds to the drop of the baby's head into the pelvis. Cf Lightning. light·en·ing (līt'ĕn-ing) Sensation of decreased abdominal distention during the later weeks of pregnancy following the descent of the fetal head into the pelvic inlet. lightening The sense of relief felt, during the last three or four weeks of pregnancy, with the descent of the presenting part of the fetus, usually the head, more deeply into the pelvis so that the womb occupies a smaller volume of the abdomen. This reduces abdominal distention and occasions some easing of breathing and general discomfort. Lightening is usual in first pregnancies but may not be apparent later.lightening
Synonyms for lighteningnoun descent of the uterus into the pelvic cavity that occurs late in pregnancyRelated Wordsnoun changing to a lighter colorSynonymsRelated Words |