noun
Refers to the rhythmic beating of the heart as felt in arteries, or metaphorically to the rhythm or vitality of something.
医者は患者の脈を診た。
The doctor checked the patient's pulse.
この街には活気の脈が感じられる。
You can feel the pulse of vitality in this town.
noun
Used for blood vessels, and also for mineral veins or streaks in rocks, wood, etc.
大理石に美しい脈が走っている。
Beautiful veins run through the marble.
noun
Used in compounds like 山脈 (mountain range) to indicate a connected series.
日本アルプスはいくつかの山脈から成る。
The Japanese Alps consist of several mountain ranges.
noun
Often used in negative or conditional expressions like 脈がない or 脈がありそう, meaning there is no hope or there seems to be a chance.
彼がその仕事に就ける脈はなさそうだ。
There seems to be no hope of him getting that job.
noun
Refers to a logical connection or thread in an argument, story, or conversation.
彼の話は脈が通っていない。
His story doesn't have a coherent thread.