RFID
noun
RFID is a noun meaning “Initialism of radio-frequency identification” (English Wiktionary, September 2026). It is spelled R-F-I-D, and it appears about once in every 1 million words in written English (wordfreq, 2021 data).
What does RFID mean?
noun
- 1
Initialism of radio-frequency identification.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is RFID?
RFID appears about once in every 1 million words in written English, the 34,504th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
RFID in Spanish, French, German and Portuguese
In the sense radio-frequency identification (initialism):
| Language | Words |
|---|---|
| German | RFID |
| Spanish | Auto ID, RFID |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.