have it on one's toes

3DEFL (triple diffused emitter-follower logic) absolute binary output ac-dc power conversion amp (ampere) block equipment choked tube directional post Fenoambony got off my chest K-theory latent growth period lay it on a bit thick lock-in relay Niverton oil-immersed current transformer Processus coronoideus ulnae relevance trees rhabdomyoma of lung serocoq takeoff speed