Tracers Meaning in English

word · lemma: tracer

US

UK

Definition

Tracers are either special bullets that leave a bright trail so you can see their path, or substances used in science and medicine to follow a process or flow inside the body.

Usage & Nuances

In military contexts, 'tracers' usually means tracer bullets. In science and medicine, 'tracers' are substances (often radioactive or fluorescent) used to follow a process. Don't confuse with 'trackers' (someone or something that tracks). Common collocations: 'use tracers', 'tracer bullets', 'radioactive tracers'.

• Spanish: balas trazadoras - rastreadores (medicina)
• Portuguese (BR): projéteis traçantes - rastreadores (medicina)
• Portuguese (PT): projéteis traçantes - rastreadores (medicina)
• Chinese (Simplified): 曳光弹 - 示踪剂
• Chinese (Traditional): 曳光彈 - 示蹤劑
• Hindi: ट्रेसर गोलियां - जांच करने वाले पदार्थ
• Arabic: طلقات تتبع (ذخيرة) - مواد تتبع (طبية)
• Bengali: ট্রেসার - অনুসারক উপাদান (বিজ্ঞান বা চিকিৎসা)
• Russian: трассеры - меченые вещества (наука/медицина)
• Japanese: 曳光弾（弾丸） - トレーサー（物質）
• Vietnamese: đạn vạch đường - chất đánh dấu (khoa học/y tế)
• Korean: 트레이서 탄 - 추적 물질
• Turkish: izli mermi - izleyici madde (bilim/tıp)
• Urdu: ٹریسر گولیاں - نشان دہندہ مواد (سائنس/طب)
• Indonesian: peluru penjejak - zat penanda (sains/kedokteran)

Example Sentences

Scientists inject chemical tracers to map how blood moves through the heart.

natural

The soldiers fired tracers at night to see where the bullets went.

basic

Doctors use radioactive tracers to take images of organs.

basic

Some tracers glow in the dark when they are fired.

basic

We could see the tracers streak across the sky during the firefight.

natural

They added colored tracers to the water to study ocean currents more easily.

natural