English-Thai Dictionary
protractor
N คน หรือ สิ่ง ที่ ยืด ออก ไป สิ่ง ยืดเยื้อ kon-rue-siang-ti-yued-ook-pai
protractor
N ไม้ โปร แทรคเตอ ร์ สำหรับ วัด มุม ทาง เรขาค ณิต mai-pro-teak-tor
Webster's 1828 Dictionary
PROTRACTOR
n.An instrument for laying down and measuring angles on paper with accuracy and dispatch, and by which the use of the line of chords is superseded. It is of various forms, semicircular, rectangular or circular.
Webster's 1913 Dictionary
PROTRACTOR
PROTRACTOR Pro *tract "or, n.
1. One who, or that which, protracts, or causes protraction.
2. A mathematical instrument for laying down and measuring angles on paper, used in drawing or in plotting. It is of various forms, semicircular, rectangular, or circular.
3. (Surg.)
Defn: An instrument formerly used in extracting foreign or offensive matter from a wound.
4. (Anat. )
Defn: A muscle which extends an organ or part; -- opposed to retractor.
5. An adjustable pattern used by tailors. Knight.
New American Oxford Dictionary
protractor
pro trac tor |ˌprōˈtraktər proʊˈtræktər | ▶noun 1 an instrument for measuring angles, typically in the form of a flat semicircle marked with degrees along the curved edge. 2 (also protractor muscle ) chiefly Zoology a muscle serving to extend a part of the body. Compare with retractor.
Oxford Dictionary
protractor
pro |tract ¦or |prəˈtraktə | ▶noun 1 an instrument for measuring angles, typically in the form of a flat semicircle marked with degrees along the curved edge. 2 (also protractor muscle ) chiefly Zoology a muscle serving to extend a part of the body. Compare with retractor.
Sanseido Wisdom Dictionary
protractor
pro trac tor /proʊtrǽktə r |prə -/名詞 C 分度器 .
The Wordsmith Dictionary