| var. of the adjective-forming suffix -al1, joined to words in which an l precedes the suffix: circular; lunar; singular. |
| var. of -er 2 , often under the influence of a spelling with -ar- in a cognate Latin noun: burglar; cellar; collar; mortar; poplar; scholar; vicar; vinegar. |
| 1. | annual return. |
| 2. | Arkansas (approved esp. for use with zip code). |
| 3. | Army Regulation; Army Regulations. |
| Arabic. |
| argon. |
| 1. | arrival. |
| 2. | arrive; arrives. |
| 1. | account receivable. |
| 2. | accounts receivable. |
| 1. | annual return. |
| 2. | Army Regulation; Army Regulations. |
| Insurance. all risks. |
ar 1  (är)  n. Variant of are2. |
| ar 2 (är) n. The letter r. [Middle English arre, from Late Latin er.] |
| Ar The symbol for the element argon. |
| AR abbr.
|
| are 2 (âr, är) n. Abbr. a A metric unit of area equal to 100 square meters (119.6 square yards). [French, from Latin ārea, open space; see area.] |
| ar·gon (är'gŏn') n. Symbol Ar A colorless, odorless, inert gaseous element constituting approximately one percent of Earth's atmosphere, from which it is commercially obtained by fractionation for use in electric light bulbs, fluorescent tubes, and radio vacuum tubes and as an inert gas shield in arc welding. Atomic number 18; atomic weight 39.948; melting point -189.3°C; boiling point -185.9°C. See Table at element. [From Greek ārgon, neuter of ārgos, idle, inert : a-, without; see a-1 + ergon, work; see werg- in Indo-European roots.] |
| Ar·kan·sas (är'kən-sô') A state of the south-central United States bordered on the east by the Mississippi River. It was admitted as the 25th state in 1836. The region was explored by members of Hernando de Soto's expedition in 1541 and passed to the United States in 1803 as part of the Louisiana Purchase. Little Rock is the capital and the largest city. Population: 2,830,000. Ar·kan'san (är-kān'zən) adj. & n. |
Ar
The symbol for the element argon.
ar networking
The country code for Argentina.
(1999-01-27)
| ar Arabic |
| Ar argon |
AR
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