noun:

• the beginning (as in "this is only the beginning") ［序の口］
• lowest division in sumo - Sumo term

noun / ~する noun:

• leaving one's seat (before an event is over); excusing oneself (from a meeting, conversation, etc.)

noun:

• motorized two-wheeled vehicle (with a displacement of less than 50cc); scooter; moped - abbreviation ➜ 原動機付自転車

noun:

• stable period (with ref. to pregnancy, typically from 4th month when the placenta is fully formed, morning sickness usually goes away and risk of miscarriage decreases)

noun:

• railgun (gun in which a conductive projectile is propelled using electromagnetic force)

noun / ~の noun:

• (actor) relying on acting skills (rather than good looks, etc.)

noun:

• life-saving sword (a killing sword may be a sword of life depending on how it is used)

noun:

• motorized two-wheeled vehicle (with a displacement of less than 50cc); motorized bicycle ➜ 原付

noun:

• uncle (younger than one's parent) - honorific language

expression:

• something that cannot be done no matter how hard one tries (and is slightly frustrating because of this); eye drops from the second floor [literal] - idiom

noun:

• looking up a word or kanji by its reading (rather than by its radical or stroke count)
• katakana-hiragana prolonged sound mark - colloquialism ➜ 長音符【ちょうおんぷ】

noun:

• coilgun (gun in which a magnetic projectile is propelled using electromagnetic coils)

noun:

• low-salt soy sauce (containing less than 9% salt)

noun:

• collectivism (giving priority to a group rather than any individual member)

noun:

• (thing that Koreans claim is) originally from Korea - slang - derogatory term - From English "uli + (ori)ginal"

noun:

• twentieth day of the first month (end of New Year celebrations, upon which remaining New Year's food is eaten, decorations are stowed away, etc.)

noun:

• polymastia (having more than one pair of mammae or breasts); pleomastia; hypermastia

noun:

• rematch (e.g. in sumo when the match is too close to decide)

adverb:

• just when (one is about to ...); just as; the very moment when; on the point of

adjectival noun:

• discursive (i.e. proceeding by argument or reasoning rather than intuition)

noun / ~する noun:

• resultative (refers to a conjunction where what follows is a result of the preceding)

noun:

• kuruma prawn (esp. a small one, i.e. less than 10 cm in length) ➜ 車海老

noun / ~する noun:

• team-translation (e.g. carried out by more than one person); joint translation

noun:

• painting with the body of a brush's bristles (to create a thicker line than possible with the tip) ➜ 直筆【ちょくひつ】

noun:

• buffer (full) error (i.e. space cannot be reserved as it is full)