American Heritage Dictionary
(1)
Century Dictionary
GNU Webster's 1913
WordNet
(3)
Elsewhere on the web
The front panel also features a green LCD readout, which is quite easy to discern from across a room.— CNET Australia
This little black box of theirs has no readout, and there's no way to know how well shielded that EMF meter at the heart of the device might be.
This readout is presented in both numeric and graphic format, in real time.— MajorGeeks.com
For a time the RF-4900 with its digital frequency readout was a great tabletop and then there was the RF9000 (1982-1985) which cost something like 3000 Euros in its day and was basically designed to show what Panasonic could do in the labs.— Critical Distance Weblog
Rather, an indirect assay was employed to test the expression readout of a single human genetic fragment and compare it with the chimp version.— PhysOrg.com - latest science and technology news stories

Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word several times a year.