Radicals › #1 一
一
一 — the “one” radical
the single horizontal stroke 17 of the JLPT kanji on this site are built with it — recognizing the piece makes them far easier to remember.
Kanji using the 一 radical (17)
一one三three上above, up下below, down不negative, non-七seven世generation, world両both, old Japanese coin与bestow, participate in万ten thousand, 10,000並row, and丁street, ward丘hill, knoll丑sign of the ox or cow, 1-3AM丙third class, 3rd且moreover, also丞help
Radicals (部首, bushu) are the shared building blocks of kanji, used to sort them in every dictionary. Learn the common ones and new kanji stop looking random.