biosensor
"biosensor" is a 9-letter English headword indexed on PlainSpell.
The verdict
“biosensor” is uncommon English (frequency #89,163 among 4,121 “B” headwords), classed as a noun. The kind of spelling people second-guess.
- #89,163
- frequency rank, English
- 4,121
- “B” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any device that detects, records or transmits physiological data, especially data concerning the presence of chemical compounds (analytes)
Corpus desk
Index EN-biosensor · biosensor · English
biosensor · rank #89,163 · 0 variants · 0 confusables
- FREQ-RARE #89,163
- LEN-LONG 9 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 4,121
- PHOTO-FINISH biotechnologi…
Nearest frequency peer: biotechnological (+1 rank slots)
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
Long-tail ranks near “biosensor”
Sparse band: bars invert rank so rarer forms read shorter
- Bideford
Bideford
10,842 corpus weight
- bigwig
bigwig
10,841 corpus weight
- biosensor
biosensor
10,838 corpus weight
- biotechnolo…
biotechnological
10,837 corpus weight
- Birchall
Birchall
10,836 corpus weight
- Biss
Biss
10,835 corpus weight
What this shows Long-tail view: where “biosensor” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | biosensor |
| Language | English |
| Part of speech | Noun |
| Letters | 9 |
| Frequency rank | #89,163 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “biosensor” in English
Rare enough to double-check
biosensor is uncommon English at frequency #89,163 among 4,121 “B” headwords, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.
The misspelling generator found no plausible variants for biosensor, and the word's spelling is regular enough that our generator found nothing worth flagging. Our dataset records no confusable match here, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From bio- + sensor. The correct English form is biosensor, spelled B-I-O-S-E-N-S-O-R.
Definition
- 1Any device that detects, records or transmits physiological data, especially data concerning the presence of chemical compounds (analytes)
- 2A device that uses biological material (e.g. microorganisms, oligonucleotides, enzymes, antibodies) to detect other biological molecules or chemicals.
Recorded use
Wiktionary examplesThese source excerpts show how biosensor appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Since the early 1980s, considerable research effort has been devoted to the development of fiber optic (FO) biosensors because of their potential sensitivity, detection speed, and adaptability to a wide variety of assay conditions.
Today's biosensor market is dominated by glucose biosensors, mass-produced enzyme-electrodes for the rapid self-diagnosis of blood glucose levels by diabetes sufferers.
Etymology
From bio- + sensor.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "biosensor", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 9 letters (nearest by frequency rank).