See crown glass in All languages combined, or Wiktionary
Download JSON data for crown glass meaning in English (3.7kB)
{ "etymology_text": "So called from a crown-like shape given to it in the process of blowing.", "forms": [ { "form": "crown glasses", "tags": [ "plural" ] } ], "head_templates": [ { "args": { "1": "-", "2": "+" }, "expansion": "crown glass (usually uncountable, plural crown glasses)", "name": "en-noun" } ], "lang": "English", "lang_code": "en", "pos": "noun", "senses": [ { "categories": [ { "_dis": "46 54", "kind": "other", "name": "English entries with incorrect language header", "parents": [ "Entries with incorrect language header", "Entry maintenance" ], "source": "w+disamb" }, { "_dis": "48 52", "kind": "topical", "langcode": "en", "name": "Glassblowing", "orig": "en:Glassblowing", "parents": [ "Crafts", "Glass", "Society", "Materials", "All topics", "Manufacturing", "Fundamental", "Human activity", "Human behaviour", "Human" ], "source": "w+disamb" } ], "glosses": [ "An early type of window glass made by blowing glass into a hollow globe (crown) and then flattening it on a punty, reheating and spinning out into a flat disk by centrifugal force." ], "id": "en-crown_glass-en-noun-mKmzQgYK", "links": [ [ "punty", "punty" ], [ "centrifugal force", "centrifugal force" ] ], "tags": [ "uncountable", "usually" ], "translations": [ { "_dis1": "76 24", "code": "fi", "lang": "Finnish", "sense": "type of window glass", "word": "kruunulasi" }, { "_dis1": "76 24", "code": "fi", "lang": "Finnish", "sense": "type of window glass", "word": "pullonpohjalasi" } ] }, { "categories": [ { "kind": "topical", "langcode": "en", "name": "Optics", "orig": "en:Optics", "parents": [ "Physics", "Sciences", "All topics", "Fundamental" ], "source": "w" }, { "_dis": "46 54", "kind": "other", "name": "English entries with incorrect language header", "parents": [ "Entries with incorrect language header", "Entry maintenance" ], "source": "w+disamb" }, { "_dis": "40 60", "kind": "other", "name": "English entries with topic categories using raw markup", "parents": [ "Entries with topic categories using raw markup", "Entry maintenance" ], "source": "w+disamb" }, { "_dis": "43 57", "kind": "other", "name": "English terms with non-redundant non-automated sortkeys", "parents": [ "Terms with non-redundant non-automated sortkeys", "Entry maintenance" ], "source": "w+disamb" }, { "_dis": "48 52", "kind": "topical", "langcode": "en", "name": "Glassblowing", "orig": "en:Glassblowing", "parents": [ "Crafts", "Glass", "Society", "Materials", "All topics", "Manufacturing", "Fundamental", "Human activity", "Human behaviour", "Human" ], "source": "w+disamb" } ], "examples": [ { "text": "The convex half of an achromatic lens is composed of crown glass." } ], "glosses": [ "A variety of glass used in lenses and other optical components due to its low refractive index and dispersion. Originally crown glass was made from alkali-lime silicates with approximately 10% potassium oxide, but similar properties may be attained with other recipes." ], "id": "en-crown_glass-en-noun-9goSyu0g", "links": [ [ "optics", "optics" ], [ "lenses", "lense" ], [ "refractive index", "refractive index" ], [ "dispersion", "dispersion" ], [ "alkali", "alkali" ], [ "lime", "lime" ], [ "silicates", "silicate" ], [ "potassium", "potassium" ], [ "oxide", "oxide" ] ], "raw_glosses": [ "(optics) A variety of glass used in lenses and other optical components due to its low refractive index and dispersion. Originally crown glass was made from alkali-lime silicates with approximately 10% potassium oxide, but similar properties may be attained with other recipes." ], "related": [ { "_dis1": "43 57", "word": "bullseye" } ], "tags": [ "uncountable", "usually" ], "topics": [ "engineering", "natural-sciences", "optics", "physical-sciences", "physics" ], "translations": [ { "_dis1": "31 69", "code": "fi", "lang": "Finnish", "sense": "variety of optical glass", "word": "kruunulasi" } ] } ], "word": "crown glass" }
{ "categories": [ "English countable nouns", "English entries with incorrect language header", "English entries with topic categories using raw markup", "English lemmas", "English multiword terms", "English nouns", "English terms with non-redundant non-automated sortkeys", "English uncountable nouns", "en:Glassblowing" ], "etymology_text": "So called from a crown-like shape given to it in the process of blowing.", "forms": [ { "form": "crown glasses", "tags": [ "plural" ] } ], "head_templates": [ { "args": { "1": "-", "2": "+" }, "expansion": "crown glass (usually uncountable, plural crown glasses)", "name": "en-noun" } ], "lang": "English", "lang_code": "en", "pos": "noun", "related": [ { "word": "bullseye" } ], "senses": [ { "glosses": [ "An early type of window glass made by blowing glass into a hollow globe (crown) and then flattening it on a punty, reheating and spinning out into a flat disk by centrifugal force." ], "links": [ [ "punty", "punty" ], [ "centrifugal force", "centrifugal force" ] ], "tags": [ "uncountable", "usually" ] }, { "categories": [ "en:Optics" ], "examples": [ { "text": "The convex half of an achromatic lens is composed of crown glass." } ], "glosses": [ "A variety of glass used in lenses and other optical components due to its low refractive index and dispersion. Originally crown glass was made from alkali-lime silicates with approximately 10% potassium oxide, but similar properties may be attained with other recipes." ], "links": [ [ "optics", "optics" ], [ "lenses", "lense" ], [ "refractive index", "refractive index" ], [ "dispersion", "dispersion" ], [ "alkali", "alkali" ], [ "lime", "lime" ], [ "silicates", "silicate" ], [ "potassium", "potassium" ], [ "oxide", "oxide" ] ], "raw_glosses": [ "(optics) A variety of glass used in lenses and other optical components due to its low refractive index and dispersion. Originally crown glass was made from alkali-lime silicates with approximately 10% potassium oxide, but similar properties may be attained with other recipes." ], "tags": [ "uncountable", "usually" ], "topics": [ "engineering", "natural-sciences", "optics", "physical-sciences", "physics" ] } ], "translations": [ { "code": "fi", "lang": "Finnish", "sense": "type of window glass", "word": "kruunulasi" }, { "code": "fi", "lang": "Finnish", "sense": "type of window glass", "word": "pullonpohjalasi" }, { "code": "fi", "lang": "Finnish", "sense": "variety of optical glass", "word": "kruunulasi" } ], "word": "crown glass" }
This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-05-05 from the enwiktionary dump dated 2024-05-02 using wiktextract (f4fd8c9 and c9440ce). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.
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