主しゅ脈みゃく

noun

main mountain range

Refers to the principal ridge or backbone of a mountain system.

• この山さん脈みゃくの主しゅ脈みゃくは南なん北ぼくに走はしっている。

  The main range of this mountain system runs north-south.

noun

midrib; costa

Botanical term for the central vein of a leaf; also used in medical contexts for rib-like structures.

• 葉はの主しゅ脈みゃくに沿そって切きれ目めが入はいっている。

  There is a cut along the midrib of the leaf.

noun

main vein (leaf)

Specifically the primary vascular bundle in a leaf; synonymous with midrib in botany.

• 主しゅ脈みゃくから側そく脈みゃくが分わかれている。

  Lateral veins branch off from the main vein.