Reststrahlen
/rɛstˈʃtrɑːlən/(also Restrahlen) Physics
noun
Electromagnetic radiation which is selectively reflected from the surface of a crystalline solid when the frequency of the incident radiation is approximately equal to the vibrational frequency of the ions constituting the solid.
Origin
Late 19th century; earliest use found in Nature: a weekly journal of science. From German Reststrahlen residual rays from Rest remainder + Strahlen, plural of Strahl ray.
- have (or keep) an ear to the ground
- have (or keep) one's eye on
- have (or keep) one's finger on the pulse
- have (or keep) one's (or both) feet on the ground
- have (or keep) one's wits about one
- have (or know) all the answers
- have (or put) one's heart in
- have (or put) someone/thing down as
- have (or take) a butcher's
- have (or take) a leak
- have (or take) a pop at
- have (or throw) a fit
- have (or want) no truck with
- have (or with) an eye to
- have (or with) an eye to (or for or on) the main chance
- have (or with) one's fingers (or hand) in the till
- have other (or bigger) fish to fry
- haver
- haverbread
- havercake
- have regard to
- haverel
- haverer
- haver grass
- Haverhill