Folium

noun

noun ·Uncommon ·College level

Meaning at a glance

  • Primary sense: A leaf.
  • Grammar: folium is listed as noun.
  • Nearest alternatives: blade, lamina, leaf, leaflet.
  • Useful contrasts: root, stem.
  • Usage evidence: 278.0 common walnut-tree folium

How to use "folium"

  1. Start with the primary definition, then check the part of speech before placing the word in a sentence.
  2. Compare nearby synonyms to make sure "folium" carries the exact meaning, tone, and strength you need.
  3. Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.

Meaning check

  • Does the word fit the sentence's grammar?
  • Does it match the intended tone rather than only the dictionary definition?
  • Would a simpler synonym be clearer for the reader?
  • Is there enough surrounding context to prevent ambiguity?

Source and review context

This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "folium" in a final draft.

If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.

Before you rely on this definition

Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "folium" as the right word for your sentence.

If your draft is formal, technical, persuasive, or sensitive, compare "folium" with a nearby alternative so the final choice matches both meaning and reader expectation.

Compare nearby meanings

  • Use synonyms when you need a softer, stronger, simpler, or more specific word.
  • Use antonyms to check the boundary of the meaning and avoid accidental contrast.
  • Use the example sentence to confirm the word behaves naturally in context.
  • Keep the original wording when a replacement adds complexity without improving precision.

Definition decision workflow

1. Identify the role

Check whether "folium" is acting as noun in your sentence. A definition is only useful when the grammar matches the way the word is being used.

2. Test the nearest option

Compare it with "blade" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.

3. Confirm with context

Use the example sentence below as an evidence check, then read your own sentence out loud to catch tone or rhythm problems.

Review note: Definition pages are checked for source coverage, sentence evidence, synonym support, and editorial insight before they are treated as approval-ready pages. If the evidence is too thin, the page remains available to users but is kept out of the approval-facing indexed inventory.

Final meaning check

Before publishing a sentence with "folium", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.

When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.

Definitions

Noun
  1. 1
    A leaf. countable, rare, uncountable

    "278.0 common walnut-tree folium"

  2. 2
    a thin layer or stratum of (especially metamorphic) rock wordnet
  3. 3
    A leaf (2 pages) of a codex or manuscript. countable, uncountable

    "But Barwick and Robinson both investigated V, and inform us that V leaves almost a full folium vacant (only the first two lines of folium 227 being occupied by the text before the lacuna)."

  4. 4
    A document that acts as the legal record of a transaction. countable, uncountable

    "Giving tallies was a royal mode of contracting debts by our early sovereigns, as Exchequer bills have been the means of raising loans in our times: indeed, the Exchequer bill was the counter-tally, or folium of the tally; and the court of Exchequer has existed in its late order since the days of Edward I., by whom it was regulated and reduced from the institution of the ancient Norman Exchequer, introduced here by William the Conqueror."

  5. 5
    A document that acts as the legal record of a transaction.; A certificate of title. countable, especially, uncountable

    "There may nevertheless be a separate certificate and folium for any derived estate deed."

Show 6 more definitions
  1. 6
    A thin sheet or plate of a foliated rock or mineral. countable, uncountable

    "By varying the supposed angle of the tilt, our previously inclined folia can be thrown into any angle between 26 degrees, which is the least possible angle, and 90 degrees; but if a small inclination be thus given to them, their point of dip will depart far from the north, and therefore not accord with the actual position of the folia of mica-schist on our granitic range."

  2. 7
    A lobe on a branching structure. countable, uncountable

    "The folia of these project considerably beyond the level of the soft cœnenchyma, and produce a very rugose appearance."

  3. 8
    A lobe on a branching structure.; A leaf-like protrusion or lobule on one of the vermes of the cerebellum. countable, uncountable

    "The vermis portion of lobule C₃ remains small, and still consists of only one folium."

  4. 9
    A curve of the third order, consisting of two infinite branches having a common asymptote. The curve has a double point, and a leaf-shaped loop. countable, uncountable

    "These circular cubics are Newton's defective hyperbolae, with a diameter, species 39, 41, 45; the ampullate cubic represents the folium of the unipartite quartic, and the ampaniform the bipartite quartic."

  5. 10
    Synonym of turnsole (“purple dye”). uncountable

    "Folium is thus described . "Folium is used for dying cloths and is a red colour, and another kind is purple, and another is blue."

  6. 11
    A symmetric pattern on the abdomen of some spiders. countable, uncountable

    "The folium of silvatica has a row of oblique black markings along the edge on each side, while in angulata it is evenly notched."

Antonyms

Example

"278.0 common walnut-tree folium"

Common questions

What does "folium" mean?

A leaf.

What is a synonym for "folium"?

Common synonyms include: blade, lamina, leaf, leaflet, page, sheet.

How do you use "folium" in a sentence?

278.0 common walnut-tree folium

Etymology

From Latin folium (“leaf”). Doublet of foil and folio, distantly also with phyllo and phyllon.

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