com

IPA/kˈɒm/
KK[kˈɑm]IPA/kˈɑːm/

com — noun

1. a short form of the word 'commercial', written at the end of website addresses (

1.名詞B1
釋義

a short form of the word 'commercial', written at the end of website addresses (.com) to show that the site belongs to a business or sells products; also used more informally to talk about internet companies that do business online.

例句

Rohan found a good deal on a travel .com site and booked his flight online.

collocation: .com site for business website

Shanti always checks whether a shop has a .com address before she buys anything online.

文法句型

.com + noun (site, company, business)

dot‑com as modifier

用法筆記

Almost always written as part of a full web address (.com) or in the phrase 'dot‑com' (often without a hyphen). 'Com' by itself is rarely used as a standalone word except within the abbreviation '.com'.

常見錯誤

❌I bought it from a .com, so it must be safe.
✅I bought it from a website with good customer reviews, even though it is a .com site.
💡A .com address only means the site is commercial, not that it is trustworthy or secure.