lanthanum
English
/ˈlænθənəm/
noun
Definitions
- (uncountable) A chemical element (symbol La) with an atomic number of 57: a soft, ductile, silvery-white metal that tarnishes slowly when exposed to air.
- (countable) An atom of this element.
Etymology
Root from Proto-Indo-European *leh₂- (hide, bark, howl, be concealed).
Origin
Proto-Indo-European
*leh₂-
Gloss
hide, bark, howl, be concealed
Concept
Semantic Field
Basic actions and technology
Ontological Category
Action/Process
Emoji
🥷
Timeline
Distribution of cognates by language
Geogrpahic distribution of cognates
Cognates and derived terms
- dilanthanum English
- lanthanian English
- lanthanite English
- latency English
- organolanthanum English
- radiolanthanum English
- lallo Latin
- landica Latin
- latens, latentis Latin
- lessus Latin
- lolium Latin
- lāmentātiō Latin
- lullen German
- lullen Dutch, Flemish
- Λήθη Ancient Greek
- λάθρῃ Ancient Greek
- λάρος Ancient Greek
- λήθαργος Ancient Greek
- λαλέω Ancient Greek
- ληθαργία Ancient Greek
- λῆρος Ancient Greek
- ἀλήθεια Ancient Greek
- ἀληθής Ancient Greek
- *leh₂- Proto-Indo-European
- *lh₂-n-dʰ- Proto-Indo-European
- रायति Sanskrit
- lullen Middle English
- *làjati Proto-Slavic
- *lěvъ Proto-Slavic
- lollen Middle Dutch
- *ráHyati Proto-Indo-Iranian
- *latēō Proto-Italic
- *lāmentom Proto-Italic
- *laja Proto-Albanian
- 𒌋𒆷𒂊 Hittite