| | podobné slovo | definícia |
atomic number 40
(wn) | atomic number 40
n 1: a lustrous grey strong metallic element resembling
titanium; it is used in nuclear reactors as a neutron
absorber; it occurs in baddeleyite but is obtained chiefly
from zircon [syn: zirconium, Zr, atomic number 40] |
atomic number 41
(wn) | atomic number 41
n 1: a soft grey ductile metallic element used in alloys; occurs
in niobite; formerly called columbium [syn: niobium,
Nb, atomic number 41] |
atomic number 42
(wn) | atomic number 42
n 1: a polyvalent metallic element that resembles chromium and
tungsten in its properties; used to strengthen and harden
steel [syn: molybdenum, Mo, atomic number 42] |
atomic number 43
(wn) | atomic number 43
n 1: a crystalline metallic element not found in nature; occurs
as one of the fission products of uranium [syn:
technetium, Tc, atomic number 43] |
atomic number 44
(wn) | atomic number 44
n 1: a rare polyvalent metallic element of the platinum group;
it is found associated with platinum [syn: ruthenium,
Ru, atomic number 44] |
atomic number 45
(wn) | atomic number 45
n 1: a white hard metallic element that is one of the platinum
group and is found in platinum ores; used in alloys with
platinum [syn: rhodium, Rh, atomic number 45] |
atomic number 46
(wn) | atomic number 46
n 1: a silver-white metallic element of the platinum group that
resembles platinum; occurs in some copper and nickel ores;
does not tarnish at ordinary temperatures and is used
(alloyed with gold) in jewelry [syn: palladium, Pd,
atomic number 46] |
atomic number 47
(wn) | atomic number 47
n 1: a soft white precious univalent metallic element having the
highest electrical and thermal conductivity of any metal;
occurs in argentite and in free form; used in coins and
jewelry and tableware and photography [syn: silver, Ag,
atomic number 47] |
atomic number 48
(wn) | atomic number 48
n 1: a soft bluish-white ductile malleable toxic bivalent
metallic element; occurs in association with zinc ores
[syn: cadmium, Cd, atomic number 48] |
atomic number 49
(wn) | atomic number 49
n 1: a rare soft silvery metallic element; occurs in small
quantities in sphalerite [syn: indium, In, {atomic
number 49}] |
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