podiformadj.

Brit.

/ˈpɒdɪfɔːm/, U.S.

/ˈpɑdəˌfɔrm/

Origin: Formed within English, by compounding. Etymons: pod n.¹, -iform comb. form.

Etymology: < pod n.¹ + -iform comb. form.

Having the form of a pod; (Geology) designating a long or thick pod-shaped deposit of a mineral, esp. chromite.

ΘΚΠ

the world > the earth > minerals > mineral deposits > [adjective] > types of deposit

veined1785

nodular1794

vein1822

wandering1886

warped1886

hypothermal1906

supergene1914

mesothermal1922

podiform1928

xenothermal1935

1928 Man 28 202 The form of the facies auricularis should also be recorded. In some cases it is elongated and podiform; in others, semilunar.

1961 T. P. Thayer in Symp. Chrome Ore 1960 203 In most podiform deposits..the chromite shows an obscure to well-developed pattern of subparallel olivine- or serpentine-filled fractures.

1978 Nature 12 Oct. 539/2 As yet no podiform chromites have been observed in the serpentinised peridotites.

1999 I. Kostov & R. I. Kostov Crystal Habits Minerals vi. 156 The podiform chromite tends to acquire a sub-spherical habit, aggregated as nodular or orbicular ores.

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	podiform
释义	podiformadj. Brit. /ˈpɒdɪfɔːm/, U.S. /ˈpɑdəˌfɔrm/ Origin: Formed within English, by compounding. Etymons: pod n.¹, -iform comb. form. Etymology: < pod n.¹ + -iform comb. form. Having the form of a pod; (Geology) designating a long or thick pod-shaped deposit of a mineral, esp. chromite. ΘΚΠ the world > the earth > minerals > mineral deposits > [adjective] > types of deposit veined1785 nodular1794 vein1822 wandering1886 warped1886 hypothermal1906 supergene1914 mesothermal1922 podiform1928 xenothermal1935 1928 Man 28 202 The form of the facies auricularis should also be recorded. In some cases it is elongated and podiform; in others, semilunar. 1961 T. P. Thayer in Symp. Chrome Ore 1960 203 In most podiform deposits..the chromite shows an obscure to well-developed pattern of subparallel olivine- or serpentine-filled fractures. 1978 Nature 12 Oct. 539/2 As yet no podiform chromites have been observed in the serpentinised peridotites. 1999 I. Kostov & R. I. Kostov Crystal Habits Minerals vi. 156 The podiform chromite tends to acquire a sub-spherical habit, aggregated as nodular or orbicular ores. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < adj.1928
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