WordNet

set into opposition or rivalry; "let them match their best athletes against ours"; "pit a chess player against the Russian champion"; "He plays his two children off against each other" (同)oppose, match, play off
a concavity in a surface (especially an anatomical depression) (同)fossa
remove the pits from; "pit plums and cherries" (同)stone
a trap in the form of a concealed hole (同)pitfall
a surface excavation for extracting stone or slate; "a British term for `quarry is `stone pit" (同)quarry, stone pit
(auto racing) an area at the side of a racetrack where the race cars are serviced and refueled
(commodity exchange) the part of the floor of a commodity exchange where trading in a particular commodity is carried on
an enclosure in which animals are made to fight
a sizeable hole (usually in the ground); "they dug a pit to bury the body" (同)cavity
the ratio of the circumference to the diameter of a circle; approximately equal to 3.14159265358979323846...
the 16th letter of the Greek alphabet
a thin pliable sheet of material
a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants (同)tissue layer

PrepTutorEJDIC

(自然の,または掘った)『地面の穴』,『くぼみ』 / 《しばしば単数形で》《the pit》立て坑,採掘場 / 落とし穴 / 《単数形で》《the pit》《英》(劇場の)平土間(1階正面後部の安い料金の席全体を指す);平土間の観客;《米》(舞台手前の1段低くなった)オーケストラ席 / (身体や物の表面の自然にできた)くぼみ / 《しばしば複数形で》(傷・天然痘などでできた皮膚の)小さなくぼんだ跡,あばた / (動物を入れておく)囲い;闘鶏場(cockpit),闘犬場 / 《the ~》地獄(hell) / ピット / 自動車修理店などで,車体の下で作業するために床に設けたくぼみ / 《the pits》自動車レースで給油・タイヤ交換などの場所 / …‘に'点々と穴をあける;…‘を'あばたにする / (…と)…‘を'取り組ませる,対坑させる《+『名』+『against』+『名』》
(サクランボ・モモなどの)核,種(stone) / 〈果物〉‘から'種を取り除く
〈C〉パイ(ギリシア語アルファベットの第16字Π,π;英語のP,pに相当) / 〈U〉円周率(記号はπ)
ごちゃまぜの活字 / ごちゃまぜ,混乱
(生物の)膜,皮膜

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Surface ultrastructural characteristics of Dictyocotyle coeliaca Nybelin, 1941 (Monopisthocotylea: Monocotylidae), an endoparasitic monogenean of rays.

Poddubnaya LG1, Hemmingsen W2, Gibson DI3.
Parasitology research.Parasitol Res.2016 Mar;115(3):965-73. doi: 10.1007/s00436-015-4823-2. Epub 2015 Nov 28.
Scanning and transmission electron microscopical observations were made of the surface topography of Dictyocotyle coeliaca (Nybelin, 1941) (Monopisthocotylea: Monocotylidae), a unique endoparasitic monogenean from the body cavity of the ray Amblyraja radiata (Elasmobranchii: Rajidae). Scanning inves
PMID 26614359

Responses of infrared-sensitive tectal units of the pit viper Crotalus atrox to moving objects.

Kaldenbach F1, Bleckmann H2, Kohl T3.
Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology.J Comp Physiol A Neuroethol Sens Neural Behav Physiol.2016 Feb 23. [Epub ahead of print]
Rattlesnakes perceive IR radiation with their pit organs. This enables them to detect and strike towards warm-blooded prey even in the dark. In addition, the IR sense allows rattlesnakes to find places for thermoregulation. Animate objects (e.g., prey) tend to move and thus cause moving IR images ac
PMID 26906281

Vitrectomy without laser treatment for macular serous detachment associated with optic disc pit: long-term outcomes.

Talli PM1, Fantaguzzi PM1, Bendo E1, Pazzaglia A2.
European journal of ophthalmology.Eur J Ophthalmol.2016 Feb 15;26(2):182-7. doi: 10.5301/ejo.5000680. Epub 2015 Sep 18.
PURPOSE: To evaluate the clinical outcome of surgical treatment for macular serous detachment associated with optic disc pit with pars plana vitrectomy (PPV) without laser photocoagulation on the temporal edge.METHODS: Vitrectomy was performed in 8 eyes of 8 patients (mean age 27.25 years; range 12-
PMID 26391164