simplex
sim pleks
- s allowing communication in only one direction at a time, or in telegraphy allowing only one message over a line at a time
simplex system - s having only one part or element
a simplex word has no affixes and is not part of a compound--like `boy' compared with `boyish' or `house' compared with `houseboat'
- By age 40, nearly 90% of adults have been exposed to the herpes simplex virus-1 (HSV-1), which causes cold sores.
- The two types of herpes simplex generally attack different and sharply defined areas of the body.
- They grew herpes simplex virus in cultures of kidney cells taken from sheep embryos; then the live virus was inactivated by exposure to ultraviolet light.