弾だん道どう

だ

ん

ど

う

Common wordFreq.FrequencyTop 20,000

Meanings

trajectory; line of fire

Refers to the path of a projectile, such as a bullet or missile. Common in military, forensic, and sports contexts.

noun which may take the genitive case particle 'no', noun-modifying (irregular)

ballistic

Used attributively in compounds like 弾道ミサイル (ballistic missile) or 弾道学 (ballistics).

〈物もの〉が弾だん道どうを描かくfor something to trace out a trajectory
打うち上あげられた花はな火びが美うつくしい弾だん道どうを描かいた。
The launched fireworks traced a beautiful trajectory.
〈物もの〉の弾だん道どうを計けい算さんするto calculate the trajectory of something
研けん究きゅう者しゃたちはミサイルの弾だん道どうを計けい算さんした。
The researchers calculated the missile's trajectory.
弾だん道どうが乱みだれるfor a trajectory to become erratic or unstable
強きょう風ふうのため弾だん道どうが乱みだれた。
The trajectory became erratic because of the strong wind.
〈物もの〉が弾だん道どうを外はずれるfor something to deviate from its trajectory
弾だん丸がんが予よ定ていの弾だん道どうを外はずれて標ひょう的てきを逸それた。
The bullet deviated from its planned trajectory and missed the target.

軌き道どうN1sense 1
軌道 is the general word for a path or orbit (like a planet's or train's), while 弾道 specifically means the trajectory of a projectile such as a bullet or missile.

弾だん丸がん sense 1
弾丸 is the physical bullet or projectile itself, whereas 弾道 is the curved path that the projectile follows through the air.
弾だん力りょくN1sense 1
弾力 means elasticity or springiness, while 弾道 means the trajectory of a projectile; the two share the kanji 弾 but have unrelated meanings.

Compound of 弾 (dan, 'bullet, projectile') and 道 (dō, 'path, way'). The reading is on'yomi.