laboratory

/ləˈbɒɹətɹi/

//ləˈbɒɹətɹi// noun

By · According to Wiktionary data (CC BY-SA) ·

"laboratory" is a 10-letter English headword indexed on PlainSpell.

The verdict

“laboratory” has 15 generated spelling variants in the English index at frequency #4,247. The variants make it a useful spelling check.

#4,247
frequency rank, English
2,297
“L” headwords
15
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A room, building or institution equipped for scientific research, experimentation or analysis.

Corpus desk

Index EN-laboratory · laboratory · English

laboratory · rank #4,247 · 15 variants · 0 confusables

  • FREQ-COMMON #4,247
  • LEN-MEGA 10 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 15 variants
  • BOOK-MID 2,297
  • PHOTO-FINISH Jonathan

Nearest frequency peer: Jonathan (-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.

Rank peers near misspelling magnet “laboratory”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “laboratory” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for laboratory
PropertyValue
Headwordlaboratory
LanguageEnglish
Part of speechNoun
IPA/ləˈbɒɹətɹi/
Letters10
Frequency rank#4,247
Misspellings tracked15
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “laboratory”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).laboratorylands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “Jonathan” (#4,246), “Lawrence” (#4,248), “Jon” (#4,245). Among 2,297 “L” headwords, “laboratory” is #4,247. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 15 spelling variants around laboratory (IPA /ləˈbɒɹətɹi/), anoun. Corpus frequency is #4,247 among 2,297 “L” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 15 likely wrong-spelling variants for laboratory, with forms such as "alboratory", "labboratory", and "laboartory". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. This headword has no recorded confusable partner, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: Borrowed from Medieval Latin labōrātōrium. The correct English form is laboratory, spelled L-A-B-O-R-A-T-O-R-Y.

Definition

  1. 1
    A room, building or institution equipped for scientific research, experimentation or analysis.
  2. 2
    A place where chemicals, drugs or microbes are prepared or manufactured.

Recorded use

Wiktionary examples

These source excerpts show how laboratory appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Again she read the passage that had riveted her attention; and, rising from her seat, carried the still open volume, and laid it on a slab by the furnace in the laboratory: it was a celebrated treatise on poisons, written in the fifteenth century.
  2. [Isaac Newton] was obsessed with alchemy. He spent hours copying alchemical recipes and trying to replicate them in his laboratory. He believed that the Bible contained numerological codes.

Etymology

Borrowed from Medieval Latin labōrātōrium.

Synonyms

lablaboratorium

This word in other languages

laboratorio(Español)laboratoire(Français)Labor(Deutsch)laboratório(Português)

Common misspellings

Also misspelled as:

  • alboratory
  • labboratory
  • laboartory
  • laboraotry
  • laboratorry
  • laboratoryy
  • laboratoyr
  • laboratroy
  • laborattory
  • laborratory
  • labortaory
  • labroatory
  • laobratory
  • lbaoratory
  • llaboratory

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of laboratory - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

alboratory2labboratory1laboartory2laboraotry2laboratorry1laboratoryy1laboratoyr2laboratroy2
Edit distance from "laboratory"

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

How do you spell "laboratory"?
"laboratory" is spelled L-A-B-O-R-A-T-O-R-Y. The IPA pronunciation is /ləˈbɒɹətɹi/.
What does "laboratory" mean?
As a noun, "laboratory" means: A room, building or institution equipped for scientific research, experimentation or analysis.
What are common misspellings of "laboratory"?
Common misspellings include "alboratory", "labboratory", "laboartory", "laboraotry", "laboratorry". The correct spelling is "laboratory".
How do you pronounce "laboratory"?
The IPA (International Phonetic Alphabet) transcription for "laboratory" is /ləˈbɒɹətɹi/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "laboratory"?
Borrowed from Medieval Latin labōrātōrium. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "laboratory", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

engagement#4,233psychology#4,261concerning#4,221categories#4,217

Similar misspelling depth

Headwords with a similar count of attested misspellings (15 here; floor ≥5).

districts15 variantsphysically15 variantsconnections15 variantsstruggling15 variants

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list