Term: eighteenth: position 18 in a countable series of things
Broader: rank: relative status | Unrelated: jewel orchid: any of several delicate Asiatic orchids grown especially for their velvety leaves with metallic white or gold veining
Broader: rank: relative status | Unrelated: ferric oxide: a red oxide of iron
Broader: rank: relative status | Unrelated: bell: (nautical) each of the eight half-hour units of nautical time signaled by strokes of a ship's bell; eight bells signals 4:00, 8:00, or 12:00 o'clock, either a.m. or p.m.
Broader: rank: relative status | Unrelated: chait: the first Hindu calendar month (corresponding to March in the Gregorian calendar)
Broader: rank: relative status | Unrelated: bullhead: freshwater sculpin with a large flattened bony-plated head with hornlike spines
Broader: rank: relative status | Unrelated: aqua regia: a yellow fuming corrosive mixture of nitric and hydrochloric acid that dissolves metals (including gold)
Broader: rank: relative status | Unrelated: brahui: a member of a Dravidian people living in Pakistan
Broader: rank: relative status | Unrelated: rajidae: bottom-dwelling tropical rays: skates
Broader: rank: relative status | Unrelated: strawflower: any of various plants of the genus Helipterum
Broader: rank: relative status | Unrelated: safety feature: feature of an artifact that is added to insure a user's safety