serology
"serology" is a 8-letter English headword indexed on PlainSpell.
The verdict
“serology” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 8
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The science that studies the blood serum, and especially the reaction between antigens and antibodies in serum.
Corpus desk
Index EN-serology · serology · English
serology · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 8 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "S" thin
- PHOTO-UNK Peer pending
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.
| Property | Value |
|---|---|
| Headword | serology |
| Language | English |
| Part of speech | Noun |
| Letters | 8 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “serology” in English
Rare enough to double-check
serology is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 3 senses are on record.
Zero misspellings are on record for serology in our index, which points to an orthography that plays by predictable English rules. No close-neighbour confusable shows up for this headword in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: From sero- + -logy. The correct English form is serology, spelled S-E-R-O-L-O-G-Y.
Definition
- 1The science that studies the blood serum, and especially the reaction between antigens and antibodies in serum.
- 2The characteristics of the blood serum in a particular disease or organism.
- 3A serologic test: a blood test to detect the presence of, and often to measure the amount of, various components of the serum (usually antibodies, antigens, and immune complexes thereof).
Recorded use
Wiktionary exampleThese source excerpts show how serology appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Diagnosis is presumptive by history and physical examination and is confirmed by serologies.
Etymology
From sero- + -logy.
This word in other languages
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.