hemispherical

adj

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

"hemispherical" is a 13-letter English headword indexed on PlainSpell.

The verdict

“hemispherical” is uncommon English (frequency #65,180 among 2,646 “H” headwords), classed as an adjective. The kind of spelling people second-guess.

#65,180
frequency rank, English
2,646
“H” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Having the shape of half a sphere.

Corpus desk

Index EN-hemispherical · hemispherical · English

hemispherical · rank #65,180 · 0 variants · 0 confusables

  • FREQ-RARE #65,180
  • LEN-MEGA 13 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,646
  • PHOTO-FINISH headstock

Nearest frequency peer: headstock (-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 “hemispherical”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “hemispherical” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for hemispherical
PropertyValue
Headwordhemispherical
LanguageEnglish
Part of speechAdjective
Letters13
Frequency rank#65,180
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “hemispherical” in English

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

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “headstock” (#65,179), “Herm” (#65,181), “Hockley” (#65,184). Among 2,646 “H” headwords, “hemispherical” is #65,180. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

hemispherical is uncommon English at frequency #65,180 among 2,646 “H” headwords, classed as anadjective. Rarity is why readers land here mid-draft. 2 senses are on record.

hemispherical doesn't appear in our generated misspelling index, a sign its spelling follows regular English conventions. This entry stands alone in our confusable dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From hemi- + spherical. The correct English form is hemispherical, spelled H-E-M-I-S-P-H-E-R-I-C-A-L.

Definition

  1. 1
    Having the shape of half a sphere.
  2. 2
    Pertaining to or operating throughout a hemisphere of the Earth.

Recorded use

Wiktionary examples

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

  1. Split peas are hemispherical.
  2. Wind speed is measured by the conventional arrangement of three hemispherical cups, mounted at 120 deg. on a shaft which is geared to a cam.

Etymology

From hemi- + spherical.

Synonyms

hemisphericsemiglobular

This word in other languages

hemisférico(Español)hémisphérique(Français)halbkugelig(Deutsch)

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 "hemispherical"?
"hemispherical" is spelled H-E-M-I-S-P-H-E-R-I-C-A-L.
What does "hemispherical" mean?
As an adjective, "hemispherical" means: Having the shape of half a sphere.
What is the origin of the word "hemispherical"?
From hemi- + spherical. 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 "hemispherical", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 13 letters (nearest by frequency rank).

hydrocephalus#65,191kaleidoscopic#65,226Kristallnacht#65,247dimensionless#65,053

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

Source: FrequencyWords open word-frequency list