bis-comb. form¹

Stress is usually determined by a subsequent element; see e.g. bisphosphonate n.

Origin: A variant or alteration of another lexical item. Etymon: bi- comb. form.

Etymology: Variant of bi- comb. form.

= bi- comb. form; used in late Latin, French, Italian, before s, c, or a vowel, in place of bi- comb. form, hence occasionally in English, as in bisacromial = biacromial adj., bisalternate alternate in two ways.

Draft additions 1993

2. Chemistry. Used in the names of compounds to signify two identical groups substituted in the same way.

ΚΠ

1931 Jrnl. Chem. Soc. i. 1616 The prefixes di-, tri-, tetra-, etc., will be used before simple expressions..and the prefixes bis, tris, tetrakis, etc., before complex expressions.

1974 R. S. Cahn Introd. Chem. Nomencl. (ed. 4) iii. 42 Multiplicative prefixes bis-, tris-, tetrakis-, etc. are used in America for all complex expressions.

1975 R. F. Brown Org. Chem. iv. 74 If complex substituents enclosed in parentheses are present more than once, we use the special multiplying prefixes of bis, tris, tetrakis, and so on, instead of di, tri, tetra, and so on.

1984 N. N. Greenwood & A. Earnshaw Chem. of Elements (1986) viii. 374 Bis (η⁶-arene) metal complexes have been made for many transition metals by the Al/AlCl₃ reduction method.

This entry has not yet been fully updated (first published 1887; most recently modified version published online June 2020).

bis-comb. form²

Stress is usually determined by a subsequent element and vowels may be reduced accordingly. If the subsequent element is an existing word, it is likely to retain its original stress pattern, e.g. bisethyl Brit.

/bɪsˈiːθʌɪl/,

/bɪsˈɛθʌɪl/,

/bɪsˈɛθ(ᵻ)l/, U.S.

/bɪsˈɛθ(ə)l/.

Origin: Formed within English, by clipping or shortening. Etymon: bismuth n.

Etymology: Shortened < bismuth n.

Chemistry.

Abbreviation of bismuth n., used in combination, as bisethyl, C₂H₅Bi, bistriethyl, etc.

ΚΠ

1863 H. Watts Dict. Chem. I. 596.

This entry has not yet been fully updated (first published 1887; most recently modified version published online December 2021).

单词	bis-
释义	bis-comb. form¹ Stress is usually determined by a subsequent element; see e.g. bisphosphonate n. Origin: A variant or alteration of another lexical item. Etymon: bi- comb. form. Etymology: Variant of bi- comb. form. = bi- comb. form; used in late Latin, French, Italian, before s, c, or a vowel, in place of bi- comb. form, hence occasionally in English, as in bisacromial = biacromial adj., bisalternate alternate in two ways. Draft additions 1993 2. Chemistry. Used in the names of compounds to signify two identical groups substituted in the same way. ΚΠ 1931 Jrnl. Chem. Soc. i. 1616 The prefixes di-, tri-, tetra-, etc., will be used before simple expressions..and the prefixes bis, tris, tetrakis, etc., before complex expressions. 1974 R. S. Cahn Introd. Chem. Nomencl. (ed. 4) iii. 42 Multiplicative prefixes bis-, tris-, tetrakis-, etc. are used in America for all complex expressions. 1975 R. F. Brown Org. Chem. iv. 74 If complex substituents enclosed in parentheses are present more than once, we use the special multiplying prefixes of bis, tris, tetrakis, and so on, instead of di, tri, tetra, and so on. 1984 N. N. Greenwood & A. Earnshaw Chem. of Elements (1986) viii. 374 Bis (η⁶-arene) metal complexes have been made for many transition metals by the Al/AlCl₃ reduction method. This entry has not yet been fully updated (first published 1887; most recently modified version published online June 2020). bis-comb. form² Stress is usually determined by a subsequent element and vowels may be reduced accordingly. If the subsequent element is an existing word, it is likely to retain its original stress pattern, e.g. bisethyl Brit. /bɪsˈiːθʌɪl/, /bɪsˈɛθʌɪl/, /bɪsˈɛθ(ᵻ)l/, U.S. /bɪsˈɛθ(ə)l/. Origin: Formed within English, by clipping or shortening. Etymon: bismuth n. Etymology: Shortened < bismuth n. Chemistry. Abbreviation of bismuth n., used in combination, as bisethyl, C₂H₅Bi, bistriethyl, etc. ΚΠ 1863 H. Watts Dict. Chem. I. 596. This entry has not yet been fully updated (first published 1887; most recently modified version published online December 2021). < comb. form¹1931comb. form²1863
随便看	to rid the way to rid way to riddle forth to riddle out to ride a broad peak to ride a circuit to ride a cock-horse to ride a cockhorse to ride a course to ride a etc to ride a feather to ride a free horse to death to ride a gallop to ride a good pace to ride a hobby to ride a hobby-horse to ride a hobbyhorse to ride a horse to a standstill to ride a maying to ride a pace to ride a person hard to ride a person on a rail to ride a person out on a rail to ride a person to death to ride a race

bis-comb. form1

Draft additions 1993

bis-comb. form2

bis-comb. form¹

bis-comb. form²