orientatingadj.

Brit.

/ˈɔːrɪənteɪtɪŋ/,

/ˈɔːrɪɛnteɪtɪŋ/,

/ˈɒrɪənteɪtɪŋ/,

/ˈɒrɪɛnteɪtɪŋ/, U.S.

/ˈɔriənˌteɪdɪŋ/

Origin: Formed within English, by derivation. Etymons: orientate v., -ing suffix².

Etymology: < orientate v. + -ing suffix².

That orientates or orients; (Chemistry) that directs atoms and groups to a specified (meta, ortho, or para) position in a ring (cf. orient v. 3a).

ΘΚΠ

the world > matter > chemistry > isomerism > [adjective] > of or relating to structural isomerism > of or relating to position isomerism > specifically of orientation

orientating1876

orienting1924

1876 Jrnl. Chem. Soc. 29 240 The author closes this section with some remarks on the value of the ‘orientating’ influence exercised by various radicles.

1920 Brit. Weekly & Christian World 19 Aug. 7/1 Upon these young men and women the lecture must have had a great orientating effect.

1922 J. J. Sudborough Bernthsen's Text-bk. Org. Chem. (new ed.) xvi. 474 Vörlander..gives the following classification... 2. Ortho- and para-orientating: OH.., C₆H₅.

1966 G. P. Ellis Mod. Textbk. Org. Chem. v. 101 The substituent A possesses a specific directing or orientating effect on the incoming group.

1987 B. Leatham-Jones Elements Industr. Robotics Gloss. 230/2 The feeder feeds components along a route comprising various orientating devices.

This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022).

单词	orientating
释义	orientatingadj. Brit. /ˈɔːrɪənteɪtɪŋ/, /ˈɔːrɪɛnteɪtɪŋ/, /ˈɒrɪənteɪtɪŋ/, /ˈɒrɪɛnteɪtɪŋ/, U.S. /ˈɔriənˌteɪdɪŋ/ Origin: Formed within English, by derivation. Etymons: orientate v., -ing suffix². Etymology: < orientate v. + -ing suffix². That orientates or orients; (Chemistry) that directs atoms and groups to a specified (meta, ortho, or para) position in a ring (cf. orient v. 3a). ΘΚΠ the world > matter > chemistry > isomerism > [adjective] > of or relating to structural isomerism > of or relating to position isomerism > specifically of orientation orientating1876 orienting1924 1876 Jrnl. Chem. Soc. 29 240 The author closes this section with some remarks on the value of the ‘orientating’ influence exercised by various radicles. 1920 Brit. Weekly & Christian World 19 Aug. 7/1 Upon these young men and women the lecture must have had a great orientating effect. 1922 J. J. Sudborough Bernthsen's Text-bk. Org. Chem. (new ed.) xvi. 474 Vörlander..gives the following classification... 2. Ortho- and para-orientating: OH.., C₆H₅. 1966 G. P. Ellis Mod. Textbk. Org. Chem. v. 101 The substituent A possesses a specific directing or orientating effect on the incoming group. 1987 B. Leatham-Jones Elements Industr. Robotics Gloss. 230/2 The feeder feeds components along a route comprising various orientating devices. This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022). < adj.1876
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