framboidn.

Brit.

/ˈframbɔɪd/, U.S.

/ˈfræmˌbɔɪd/

Origin: A borrowing from French, combined with an English element. Etymons: French framboise , -oid suffix.

Etymology: < framb- (in French framboise raspberry: see framboise n.) + -oid suffix, on account of a supposed resemblance of a cluster under magnification to a raspberry. Compare earlier framboidal adj.

Geology.

A microscopic, roughly spherical aggregate of a mineral (esp. pyrite) in sedimentary rock, typically occurring in a spheroidal cluster of such aggregates.

ΚΠ

1962 L. G. Love in M. L. Jensen Biochem. Sulfur. Isotopes 129 The colorless internal residues from spheres were not artifacts inside the pyrite framboid from the use of hydrofluoric acid.

1979 Nature 1 Feb. 377/2 The elemental sulphur which they contain probably acts as a nucleus for the formation of pyrite framboids within the water column.

1993 Jrnl. Paleontol. 67 154/1 Pyrite crystals and framboids.

2010 H. W. McSween & G. R. Huss Cosmochemistry xii. 433 Magnetite with unusual morphologies (framboids and platelets) is common, along with carbonates and sulfides.

This is a new entry (OED Third Edition, September 2011; most recently modified version published online March 2022).

单词	framboid
释义	framboidn. Brit. /ˈframbɔɪd/, U.S. /ˈfræmˌbɔɪd/ Origin: A borrowing from French, combined with an English element. Etymons: French framboise , -oid suffix. Etymology: < framb- (in French framboise raspberry: see framboise n.) + -oid suffix, on account of a supposed resemblance of a cluster under magnification to a raspberry. Compare earlier framboidal adj. Geology. A microscopic, roughly spherical aggregate of a mineral (esp. pyrite) in sedimentary rock, typically occurring in a spheroidal cluster of such aggregates. ΚΠ 1962 L. G. Love in M. L. Jensen Biochem. Sulfur. Isotopes 129 The colorless internal residues from spheres were not artifacts inside the pyrite framboid from the use of hydrofluoric acid. 1979 Nature 1 Feb. 377/2 The elemental sulphur which they contain probably acts as a nucleus for the formation of pyrite framboids within the water column. 1993 Jrnl. Paleontol. 67 154/1 Pyrite crystals and framboids. 2010 H. W. McSween & G. R. Huss Cosmochemistry xii. 433 Magnetite with unusual morphologies (framboids and platelets) is common, along with carbonates and sulfides. This is a new entry (OED Third Edition, September 2011; most recently modified version published online March 2022). < n.1962
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