Lead line
Encyclopedia
Lead line may refer to:
And also to ("Led" line):
- LeadlineLeadlineLeadline is a horse show class for very young children, generally under the age of 7 years. An adult or older child actually leads the horse in-hand, while the child that is judged sits on the horse and usually holds the reins, but only for the sake of appearance, the actual control of the animal...
, a horse showHorse showA Horse show is a judged exhibition of horses and ponies. Many different horse breeds and equestrian disciplines hold competitions worldwide, from local to the international levels. Most horse shows run from one to three days, sometimes longer for major, all-breed events or national and...
class for children - Lead (tack)Lead (tack)A lead, lead line, lead rope or head collar rope , is used to lead an animal such as a horse. Usually, it is attached to a halter. The lead may be integral to the halter or, more often, separate. When separate, it is attached to the halter with a heavy clip or snap so that it can be added or...
, for leading livestock - LeashLeashA leash is a rope or similar material attached to the neck or head of an animal for restraint or control...
, for dogs and other small animals
And also to ("Led" line):
- Burton lineBurton lineThe Burton line is a clinical sign found in patients with lead poisoning. It is a thin, grey-blue line visible along the margin of the gums, at the base of the teeth.The sign was described in 1840 by Henry Burton:...
, a symptom of lead poisoningLead poisoningLead poisoning is a medical condition caused by increased levels of the heavy metal lead in the body. Lead interferes with a variety of body processes and is toxic to many organs and tissues including the heart, bones, intestines, kidneys, and reproductive and nervous systems... - Sounding lineSounding lineA sounding line or lead line is a length of thin rope with a plummet, generally of lead, at its end. Regardless of the actual composition of the plummet, it is still called a "lead."...
, an instrument used in navigation to measure water depth (the plummet, or weight, is usually composed of leadLeadLead is a main-group element in the carbon group with the symbol Pb and atomic number 82. Lead is a soft, malleable poor metal. It is also counted as one of the heavy metals. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed...
) - Radiation shielding: "lead-lined" containers for shielding radiation