lanthanum
/ˈlanθənəm
/noun [mass noun]
The chemical element of atomic number 57, a silvery-white rare earth metal. (Symbol: La) It belongs to the family known as the lanthanides, named after the first member of that series, lanthanum....
- Green light is also emitted from some lanthanide elements: lanthanum, cerium, and terbium.
- Oxalate efflux could not be triggered by treatment with the trivalent cation lanthanum or by phosphorus deficiency, indicating that the efflux was specific to the Al treatment.
Origin
Mid 19th century: from Greek lanthanein 'escape notice' (because it was long undetected in cerium oxide) + -um.
- Montélimar
- monument
- monumental
- Monumental City
- monumentalise
- monumentalism
- monumentality
- monumentalization
- monumentalize
- monumentally
- monumental mason
- monumental masonry
- monumental sculptor
- monumental sculpture
- monumentary
- put someone on notice (or serve notice)
- put someone on their mettle
- put someone on the spot
- put someone on to
- put someone (or something) through their (or its) paces
- put someone out
- put someone out to pasture
- put someone's eyes out
- put someone's nose out of joint
- put someone's (or have one's) ass in a sling