The Board shall meet as determined necessary by the Deputy Assistant Secretary of Defense for Manufacturing and Industrial Base Policy but not less frequently than once every two years to make recommendations regarding materials critical to national security as described in subsection (b)(5).
bimonthly. adj, adv. 1. every two months. 2. (often avoided because of confusion with sense 1) twice a month; semimonthly.iâ¢monthâ¢ly. 1. occurring every two months. 2. occurring twice a month; semimonthly. 3. a bimonthly publication. 4. every two months. 5. twice a month; semimonthly. [1840â50]. usage: See bi- 1.
Confidence votes 7.7K. There is disagreement on whether there even exists a proper, unambiguous term for every four months.. Many use triannual for the purpose. There is some logic to this, since biannual means twice yearly, whereas biennial means every two years, and triennial means every three years.