(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

everyone, one and all

Kyūjitai form of 旅団 (“military brigade”)

preparations for a journey

prepare for a journey

to start a journey; to embark on a trip; to set forth; to hit the trail

metric space

(geometry) Euclidean distance - the distance between two points defined as the square root of the sum of the squares of the differences between the corresponding coordinates of the points; for example, in two-dimensional Euclidean geometry, the Euclidean distance between two points a = (aₓ, a_y) and b = (bₓ, b_y) is defined as:

Synonym of レミング (“lemming”) (rodent)

a long-distance cross-country skiing race (such as at the Olympics)