masto-comb. form¹

Stress is usually determined by a subsequent element and vowels may be reduced accordingly. Some degree of stress is always maintained on the first syllable. If the subsequent element is an existing word, it is likely to retain its original stress pattern, e.g. masto-occipital Brit.

/ˌmastəʊɒkˈsɪpᵻtl/, U.S.

/ˌmæstoʊɑkˈsɪpᵻd(ə)l/.

Origin: Formed within English, by derivation. Etymons: mastoid adj., -o- connective.

Etymology: < mast- (in mastoid adj.) + -o- connective. Compare mastoido- comb. form.Formations are found from mid 19th cent.

Anatomy.

Forming adjectives with the sense ‘of, relating to, or designating the mastoid process or bone and the —— bone of the skull’, applied esp. to sutures of the skull, as masto-occipital, masto-parietal.

ΚΠ

1855 L. Holden Human Osteol. 93 The mastoid part of the temporal is connected to the posterior inferior angle of the parietal bone by the ‘masto-parietal suture’.

1858 H. Gray Anat. 54 The sutures at the base of the skull are..the petro-occipital, the masto-occipital, [etc.].

1890 Cent. Dict. Masto-tympanic, a bone of the skull of some reptiles, which should correspond to the opisthotic quadrate of modern nomenclature.

1899 T. C. Allbutt et al. Syst. Med. VII. 599 There may be no local œdema over the mastoid, in fact no masto-squamous abscess.

1929 Jrnl. Royal Anthropol. Inst. 59 176 Between anterior ends of masto-parietal sutures.

1960 Current Anthropol. 1 221/1 Stewart has recently noted the same similarity in the inferior projection of the masto-occipital process.

1989 Amer. Jrnl. Physical Anthropol. 80 417 The basilar suture is the earliest to close, while the masto-occipital and rostral and caudal squamosal sutures achieve closure quite late in both species.

This entry has been updated (OED Third Edition, March 2001; most recently modified version published online March 2022).

masto-comb. form²

/ˌmastə(ʊ)ˈpleɪzɪə/,

/ˌmastə(ʊ)ˈpleɪʒə/, U.S.

/ˌmæstəˈpleɪʒ(i)ə/,

/ˌmæstəˈpleɪziə/.

Inflections: Before a vowel mast-.

Origin: A borrowing from Latin. Etymon: Latin mastodynia.

Etymology: < post-classical Latin masto- (in mastodynia mastodynia n.) < ancient Greek μαστός man's breast or (more often) woman's breast (compare Ionic and Epic μαζός , Hellenistic Greek μασθός ); of uncertain origin. Compare mastodynia n., mastopathy n.It has been suggested that the Greek words are cognate with ancient Greek μαδᾶν (see madarosis n.), or with mama n.¹, or with mast n.² It is uncertain whether the modern use is modelled on the ancient Greek combining form μαστο-, which only occurs in μαστοειδής mastoid adj. and n., and in Hellenistic Greek μαστόδεσμος and μαστόδετον breast-band. Productive in English from mid 19th cent.

Medicine.

Forming nouns denoting medical conditions and surgical procedures affecting or involving the breast or breasts, as †mastocarcinoma, †masto-chondrosis, etc.Earliest in mastodynia n. See also mastalgia n., mastectomy n., mastopathy n., etc.

ΚΠ

1848 R. Dunglison Med. Lexicon (ed. 7) 528/2 Mastorrhagia, an unusual flow of milk.

1848 R. Dunglison Med. Lexicon (ed. 7) 528/2 Mastosparganosis, fulness of the breasts with milk, so that they are ready to burst.

1857 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Mastocarcinoma, term for carcinoma or incipient cancer of the breast.

1857 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Mastochondrosis, term for a cartilaginous tumour of the mamma, or female breast.

1965 Ann. Surg. 162 1081 (title) Mastoplasty for massive bilateral benign breast hypertrophy associated with pregnancy.

1970 Metabolism 19 946 (title) Gynecomastia and mastoplasia in Graves' disease.

This entry has been updated (OED Third Edition, March 2001; most recently modified version published online March 2022).

单词	masto-
释义	masto-comb. form¹ Stress is usually determined by a subsequent element and vowels may be reduced accordingly. Some degree of stress is always maintained on the first syllable. If the subsequent element is an existing word, it is likely to retain its original stress pattern, e.g. masto-occipital Brit. /ˌmastəʊɒkˈsɪpᵻtl/, U.S. /ˌmæstoʊɑkˈsɪpᵻd(ə)l/. Origin: Formed within English, by derivation. Etymons: mastoid adj., -o- connective. Etymology: < mast- (in mastoid adj.) + -o- connective. Compare mastoido- comb. form.Formations are found from mid 19th cent. Anatomy. Forming adjectives with the sense ‘of, relating to, or designating the mastoid process or bone and the —— bone of the skull’, applied esp. to sutures of the skull, as masto-occipital, masto-parietal. ΚΠ 1855 L. Holden Human Osteol. 93 The mastoid part of the temporal is connected to the posterior inferior angle of the parietal bone by the ‘masto-parietal suture’. 1858 H. Gray Anat. 54 The sutures at the base of the skull are..the petro-occipital, the masto-occipital, [etc.]. 1890 Cent. Dict. Masto-tympanic, a bone of the skull of some reptiles, which should correspond to the opisthotic quadrate of modern nomenclature. 1899 T. C. Allbutt et al. Syst. Med. VII. 599 There may be no local œdema over the mastoid, in fact no masto-squamous abscess. 1929 Jrnl. Royal Anthropol. Inst. 59 176 Between anterior ends of masto-parietal sutures. 1960 Current Anthropol. 1 221/1 Stewart has recently noted the same similarity in the inferior projection of the masto-occipital process. 1989 Amer. Jrnl. Physical Anthropol. 80 417 The basilar suture is the earliest to close, while the masto-occipital and rostral and caudal squamosal sutures achieve closure quite late in both species. This entry has been updated (OED Third Edition, March 2001; most recently modified version published online March 2022). masto-comb. form² Stress is usually determined by a subsequent element and vowels may be reduced accordingly. Some degree of stress is always maintained on the first syllable. If the subsequent element is an existing word, it is likely to retain its original stress pattern, e.g. mastoplasia Brit. /ˌmastə(ʊ)ˈpleɪzɪə/, /ˌmastə(ʊ)ˈpleɪʒə/, U.S. /ˌmæstəˈpleɪʒ(i)ə/, /ˌmæstəˈpleɪziə/. Inflections: Before a vowel mast-. Origin: A borrowing from Latin. Etymon: Latin mastodynia. Etymology: < post-classical Latin masto- (in mastodynia mastodynia n.) < ancient Greek μαστός man's breast or (more often) woman's breast (compare Ionic and Epic μαζός , Hellenistic Greek μασθός ); of uncertain origin. Compare mastodynia n., mastopathy n.It has been suggested that the Greek words are cognate with ancient Greek μαδᾶν (see madarosis n.), or with mama n.¹, or with mast n.² It is uncertain whether the modern use is modelled on the ancient Greek combining form μαστο-, which only occurs in μαστοειδής mastoid adj. and n., and in Hellenistic Greek μαστόδεσμος and μαστόδετον breast-band. Productive in English from mid 19th cent. Medicine. Forming nouns denoting medical conditions and surgical procedures affecting or involving the breast or breasts, as †mastocarcinoma, †masto-chondrosis, etc.Earliest in mastodynia n. See also mastalgia n., mastectomy n., mastopathy n., etc. ΚΠ 1848 R. Dunglison Med. Lexicon (ed. 7) 528/2 Mastorrhagia, an unusual flow of milk. 1848 R. Dunglison Med. Lexicon (ed. 7) 528/2 Mastosparganosis, fulness of the breasts with milk, so that they are ready to burst. 1857 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Mastocarcinoma, term for carcinoma or incipient cancer of the breast. 1857 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Mastochondrosis, term for a cartilaginous tumour of the mamma, or female breast. 1965 Ann. Surg. 162 1081 (title) Mastoplasty for massive bilateral benign breast hypertrophy associated with pregnancy. 1970 Metabolism 19 946 (title) Gynecomastia and mastoplasia in Graves' disease. This entry has been updated (OED Third Edition, March 2001; most recently modified version published online March 2022). < comb. form¹1855comb. form²1848
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masto-comb. form1

masto-comb. form2

masto-comb. form¹

masto-comb. form²