English Dictionary

conchoidal

IPA（発音記号）

/kɒnˈkɔɪɪdəl/

形容詞

前置詞句 鉱物学

(mathematics) Of or pertaining to a conchoid; that may be defined as a conchoid. / (mineralogy, of a fracture) Irregular, with planar, concentric curves, similar to those on a mussel shell.

日本語の意味

(数学) 貝形線（conchoid）に関連する、またはその定義に当てはまる性質を持つ。 / (鉱物学) 破面が不規則で、平面的かつ同心円状の曲線を描き、ムール貝の殻に似た外観を示す。

During the seminar, she explained how conchoidal curves behave under inversion.

セミナーで彼女は、反転変換におけるコンコイドに関する曲線の振る舞いを説明した。

意味（1）

(mathematics) Of or pertaining to a conchoid; that may be defined as a conchoid.

[…] a conchoidal hyperbola with an oval at its convexity.

意味（2）

(mineralogy, of a fracture) Irregular, with planar, concentric curves, similar to those on a mussel shell.

It is distinguished by its splendent lustre and conchoidal fracture.

意味（3）

(mineralogy, of a mineral) That fractures with planar concentric curves (e.g., as flint, chert or obsidian).

The customary transitions of pitchstone are, into Chalcedony, Chert, Semi-opal; also into a substance resembling conchoidal shining jasper, found in clay strata, entangled in trap, or volcanic rock; and lastly, into Trap.

more conchoidal （ comparative ）

most conchoidal （ superlative ）