Search results
The meaning of JACKKNIFE is a large strong pocketknife. How to use jackknife in a sentence.
In statistics, the jackknife (jackknife cross-validation) is a cross-validation technique and, therefore, a form of resampling. It is especially useful for bias and variance estimation. The jackknife pre-dates other common resampling methods such as the bootstrap .
Jackknife may refer to: Pocketknife or jackknife, a compact, foldable knife. Jackknife Bar, Portland, Oregon, U.S. Jackknifing, a type of crash with articulated vehicle combinations.
The legendary Jack knife is widely considered to be the top classic pocket knife, with more successful offshoot patterns than any other. Jack knives come in all shapes and sizes, but are traditionally double bladed with a single shared hinge pin.
Pocketknife. A pocketknife is a knife with one or more blades that fold into the handle. They are also known as jackknives (jack-knife), folding knives, EDC knife, or may be referred to as a penknife, though a penknife may also be a specific kind of pocketknife.
noun. a knife with the blade pivoted to fold into a recess in the handle. a former name for a type of dive in which the diver bends at the waist in midair, with his legs straight and his hands touching his feet, finally straightening out and entering the water headfirst: forward pike dive.
JACKKNIFE definition: 1. If a truck that has two parts jackknifes, one part moves around so far towards the other part…. Learn more.
Nov 17, 2023 · Jackknifing occurs when a vehicle towing a trailer skids and its trailer pushing from behind spins it around until it collides with its own trailer. The jack knifed vehicle could then continue out of control causing further accidents. Here is an explanation of how jackknifing occurs and how to prevent it. Method 1.
- 99.1K
Apr 19, 2024 · Jack knife sit ups are a great low-impact exercise for strengthening abdominal muscles. They are a great way to tighten the lower abs and help you get six pack abs. Jack knife sit ups will give your abs challenging workout, but the basics...
- 338.2K
jackknife. noun [ C ] us / ˈdʒæk.naɪf / uk / ˈdʒæk.naɪf / plural jackknives. a large knife with a blade that folds into the handle. Synonym. clasp knife UK. Stephen Swintek/GettyImages. SMART Vocabulary: related words and phrases. Hand weapons.
