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

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
(砂糖などが)粒の,粒状の / (紙・革などが)表面がざらざらしている

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Diagnostic performance of endocytoscopy for evaluating the invasion depth of different morphological types of colorectal tumors.

Kudo T1, Kudo SE, Wakamura K, Mori Y, Misawa M, Hayashi T, Kutsukawa M, Ichimasa K, Miyachi H, Ishida F, Inoue H.
Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.Dig Endosc.2015 Mar 16. doi: 10.1111/den.12469. [Epub ahead of print]
BACKGROUND AND AIM: Endocytoscopy (EC) is a next-generation endoscopic technique that enables diagnostic imaging at 450× magnification. In the present study, we retrospectively evaluated the diagnostic performance of EC and magnifying chromoendoscopy (MCE) for diagnosing the invasion depth of color
PMID 25777505

A new species of the genus Atypus Latreille, 1804 (Araneae: Atypidae) from Korea.

Lee SY1, Lee JH2, Yoo JS3, Kim ST4.
Zootaxa.Zootaxa.2015 Feb 2;3915(1):139-42. doi: 10.11646/zootaxa.3915.1.8.
Worldwide, 30 species of the genus Atypus Latreille, 1804 have been recorded from the United States, Europe, Africa, south-east and far-east Asia (Platnick 2014). Atypid spiders are characterized by a male sternum with marginal ridges, a short, straight and spike-like embolus, a straight conductor a
PMID 25662116

Ultrastructure of head organs (anterior adhesive apparatus) and posterior secretory systems of Caballeria liewi Lim, 1995 (Monogenea, Ancyrocephalidae).

Wong WL1, Brennan GP, Halton DW, Maule AG, Lim LH.
Parasitology research.Parasitol Res.2014 Nov;113(11):3935-46. doi: 10.1007/s00436-014-4057-8. Epub 2014 Aug 8.
Caballeria liewi Lim, 1995, uses adhesive secretions from the head organs and posterior secretory systems to assist in locomotion and attachment. Ultrastructural investigations show that the head organs of C. liewi consist of three pairs of antero-lateral pit-like openings bearing microvilli and duc
PMID 25098344

Ratios of Mg2+/Na+ in the snow cover at Murododaira, Mt. Tateyama, Japan: On the possibility of an indicator of chemical leaching（立山・室堂平における積雪中のMg2+/Na+比：化学溶脱の指標の可能性について）

WATANABE Koichi（渡辺幸一）,HIRAI Taiki（平井泰貴）,KAWADA Kunio（川田邦夫）
Bulletin of Glaciological Research 33(0), 1-5, 2015
… However, the snow wall in the 2004 pit was mainly composed of melt forms (granular snow), and snow temperature was 0°C in all layers;therefore, the chemical components in the snow were affected by leaching. … Many samples taken from the 2004 pit showed that the ratio of Mg2+/Na+ was lower than that in sea salt, whereas the loss of Mg2+ has hardly been observed in the snow cover at Murododaira in other years. …
NAID 130005094027

堀井城一朗,藤本愛,落合康利,後藤修,下田将之,矢作直久
Progress of Digestive Endoscopy 84(1), 146-147, 2014
… Case 1 : A 70-year-old man was referred for endoscopic resection, as a screening colonoscopy had revealed a flat neoplasm in the sigmoid colon measuring 40 mm in diameter without a granular pattern on the surface (laterally spreading tumor, non-granular type ［LST-NG］) . … Magnifying endoscopy with narrow-band imaging (NBI) revealed capillary pattern (CP) type II, whereas magnifying chromoendoscopy revealed a Kudo type IIIs pit pattern. …
NAID 130004985489

Low molecular weight (C1-C10) monocarboxylic acids, dissolved organic carbon and major inorganic ions in alpine snow pit sequence from a high mountain site, central Japan

Kawamura Kimitaka,Matsumoto Kohei,Tachibana Eri,Aoki Kazuma
Atmospheric Environment 62, 272-280, 2012-12
… Snowpack samples were collected from a snow pit sequence (6 m in depth) at the Murodo-Daira site near the summit of Mt. Tateyama, central Japan, an outflow region of Asian dusts. … Hydroxyacids (0.03-5.7 ng/g, 1.5 ng/g) were more abundant in the granular and dusty snow. …
NAID 120005108189