plural of Hubble length

One tenth of a nautical mile.

(of clothing) That reaches to the floor.

(cricket) The direction (line) and point at which a delivery hits the pitch (length) of a delivery considered as a whole, especially that of a group of a particular bowler's deliveries.

At a distance, away from one's body. / (idiomatic) Avoiding a close relationship.

(cricket) The area on a pitch considered to be the best place to pitch the ball in order to either get the batsman out, or restrict him from scoring; the length at which the ball bounces just too far away for it to be comfortably played either on the front foot or the back foot.

(cricket) Describing a ball so pitched

(optics) A measure of how strongly an optical system converges or diverges light, the inverse of optical power. In the simple case of a single convex lens, it is the distance along the optical axis from the principal plane of the lens to the lens's focal point (where, for instance, the film would be placed in a camera). For more complex or multi-element optical systems, focal length need not correspond to any obvious measurable physical distance.

(idiomatic, cricket) of a ball that pitches short of a good length; a ball that bounces closer to the bowler than the area of the pitch regarded as the best for dismissing or restricting the scoring of the batsman.

(military) Distance from the source of a smoke screen to the point downwind where the background begins to become recognizable.