Troops tend to be deployed in 'battalions' (commanded by a lieutenant colonel) as a more convenient size of military unit and, as such, colonels have tended to have a higher profile in specialist and command roles than as actual commanders of regiments.
An iamb /ËaÉªÃ¦m/ or iambus is a metrical foot used in various types of poetry. Originally the term referred to one of the feet of the quantitative meter of classical Greek prosody: a short syllable followed by a long syllable (as in delay).
In metric system, base unit of length is metre (meter is american spelling). Other common metric units of length are kilometer, centimeter and millimeter. In imperial and U.S. customary system, common length units are foot, inch, yard and mile.