optoelectronics
/ˌɑptoʊ.ɪlɛkˈtɹɑnɪks/
"optoelectronics" is a 15-letter English headword indexed on PlainSpell.
The verdict
“optoelectronics” is uncommon English (frequency #90,801 among 15,494 “O” headwords), classed as a noun. The kind of spelling people second-guess.
- #90,801
- frequency rank, English
- 15,494
- “O” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The branch of physics that deals with the interaction of light with electronic devices, or the production of light from such devices
| Property | Value |
|---|---|
| Headword | optoelectronics |
| Language | English |
| Part of speech | Noun |
| IPA | /ˌɑptoʊ.ɪlɛkˈtɹɑnɪks/ |
| Letters | 15 |
| Frequency rank | #90,801 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “optoelectronics” sits in English frequency
Rare enough to double-check
optoelectronics is uncommon English at frequency #90,801 among 15,494 “O” headwords, classed as anoun, transcribed /ˌɑptoʊ.ɪlɛkˈtɹɑnɪks/. Rarity is why readers land here mid-draft. Gloss: "The branch of physics that deals with the interaction of light with electronic devices, or the production of light from such devices".
optoelectronics has no tracked misspelling variants, which points to an orthography that plays by predictable English rules. Our dataset records no confusable match here, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From opto- + electronics. The correct English form is optoelectronics, spelled O-P-T-O-E-L-E-C-T-R-O-N-I-C-S.
Definition
- 1The branch of physics that deals with the interaction of light with electronic devices, or the production of light from such devices
Etymology
From opto- + electronics.
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); 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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Using “optoelectronics”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is O-P-T-O-E-L-E-C-T-R-O-N-I-C-S - every other letter order is a misspelling in standard orthography.
- Say it as /ˌɑptoʊ.ɪlɛkˈtɹɑnɪks/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this rank
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.