abscissa

noun

The verdict

“abscissa” is uncommon Portuguese (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency Portuguese
8
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - primeira coordenada cartesiana de um ponto do plano ou do espaço; distância entre um ponto do plano e o eixo vertical (eixo das ordenadas)

Corpus desk

Index PT-abscissa · abscissa · Portuguese

abscissa · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "A" thin
  • PHOTO-UNK Peer pending

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.

Key facts for abscissa
PropertyValue
Headwordabscissa
LanguagePortuguese
Part of speechNoun
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Cauda longa: rank de “abscissa” em português

abscissanão entra no top 100.000 do português: zona de termos técnicos, arcaicos ou escassos.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

abscissa is uncommon Portuguese outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

The misspelling generator found no plausible variants for abscissa, which points to an orthography that plays by predictable Portuguese rules. It is not paired with a close-neighbour confusable in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.

No borrowing history is documented for this entry, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct Portuguese form is abscissa, spelled A-B-S-C-I-S-S-A.

Definition

  1. 1
    primeira coordenada cartesiana de um ponto do plano ou do espaço; distância entre um ponto do plano e o eixo vertical (eixo das ordenadas)
  2. 2
    distância entre um ponto do espaço e o plano lateral de projeção

Recorded use

Wiktionary examples

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

  1. A abscissa do ponto (-10,-20,-30) é -10.
  2. A abscissa do ponto (-1,3,-7) é -1.

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.

Frequently Asked Questions

How do you spell "abscissa"?
"abscissa" is spelled A-B-S-C-I-S-S-A.
What does "abscissa" mean?
As a noun, "abscissa" means: primeira coordenada cartesiana de um ponto do plano ou do espaço; distância entre um ponto do plano e o eixo vertical (eixo das ordenadas)
What language does "abscissa" come from?
"abscissa" is a Portuguese word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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.

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

Source: FrequencyWords open word-frequency list