abacus
UKæbəkəs
US'æbəkəs
معنی فارسی
چرتكه
معنی کامل و مثالها
/ab´ǝ kǝs/n., pl.
● چرتکه، چتکه
● (معماری) تخته سنگ روی سر ستون
● جدول، منحنی، آباک
ریشه و کاربرد
ریشه
Middle English via Latin from Greek abax, abak- ‘slab, drawing board’, of Semitic origin; probably related to Hebrew ’āḇāq ‘dust’.
مثال
- The teacher used an abacus to teach the students basic arithmetic.
- The ancient Romans used an abacus for calculations.
- The abacus is considered one of the earliest calculating devices.
ترکیبهای رایج
Use an abacus Abacus for calculations Teach with abacus Ancient abacus
تعریف انگلیسی
noun
- a tablet placed horizontally on top of the capital of a column as an aid in supporting the architrave
- a calculator that performs arithmetic functions by manually sliding counters on rods or in grooves