9-Letter Words Ending With UM

1. a meeting or conference for the public discussion of some topic especially one in which the participants form an audience and make presentations

1. a dark oil consisting mainly of hydrocarbons

1. a silvery ductile metallic element found primarily in bauxite

1. a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite

1. a light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine)

1. a continuous nonspatial whole or extent or succession in which no part or portion is distinct or distinguishable from adjacent parts

1. athletic facility equipped for sports or physical training

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

1. a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239

1. a facility where trees and shrubs are cultivated for exhibition

1. (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants

1. a collection of dried plants that are mounted and systematically classified for study

1. any fine network (especially one in the body composed of cells or blood vessels)

2. the second compartment of the stomach of a ruminant

1. a difficult problem

1. a light strong brittle grey toxic bivalent metallic element

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

1. milky fluid secreted for the first day or two after parturition

1. a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite

1. a large burial chamber, usually above ground

1. a literary or scientific association for the promotion of learning

2. a place where reading materials are available

1. a final peremptory demand

1. an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen)

1. anaerobic bacterium producing botulin the toxin that causes botulism

1. a brittle grey crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors; occurs in germanite and argyrodite

1. a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium

1. a bass horn (brass wind instrument) that is the tenor of the tuba family

1. blood serum containing antibodies against specific antigens; provides immunity to a disease

1. a rare polyvalent metallic element of the platinum group; it is found associated with platinum

1. a bicycle race held on a short course (usually less than 5 km or 3 miles)

1. a free-reeded instrument with a piano keyboard in which air is forced through the reeds by bellows

1. a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth

1. a vivarium in which selected living plants are kept and observed

1. a permanent executive committee in socialist countries that has all the powers of some larger legislative body and that acts for it when it is not in session

1. (biology) a taxonomic group ranking between a phylum and a class