noun:

• periodontal disease

noun:

• four-color theorem (colour) (theorem stating that any map can be colored such that no two adjacent segments have the same color, if only four colors are used)

noun:

• branch-twined hedge around a field to keep out wild boars and deer
• abatis

noun:

• Eocene epoch

noun:

• shishamo smelt (Spirinchus lanceolatus) - From Ainu "susuhamu"

noun:

• putrid smell of a corpse

noun:

• round-off function; rounding - IT term

expression / noun:

• snake in one's bosom; treacherous friend - idiom

~の noun / ~たる adjective / ~と adverb:

• heaps of corpses all around - four character idiom

noun:

• private room

noun:

• the (one's) whole body - four character idiom

noun:

• shishito; small sweet green pepper

expression:

• assiduously; diligently

noun:

• dyslipidemia; hyperlipidemia; lipid abnormalities - Medicine term

noun / ~する noun / intransitive verb:

• looking up to a person as one's own master or model; being influenced by a person through his works; idolizing

noun:

• treacherous friend; snake in one's bosom; treacherous insider - four character idiom

noun:

• poetic

noun / ~する noun:

• lodging; putting up

noun:

• pug nose

noun:

• selfish, self-indulgent heart - obscure term

~たる adjective / ~と adverb:

• assiduously; with unremitting zeal - four character idiom

noun / ~する noun:

• generation-to-generation instruction from master to disciple - four character idiom