Longitudinal

Word LONGITUDINAL
Character 12
Hyphenation lon gi tu di nal
Pronunciations /lɔŋɡəˈt͡ʃʉːdənəl/

Definitions and meanings of "Longitudinal"

What do we mean by longitudinal?

Of or relating to longitude or length. adjective

Concerned with the development of persons or groups over time. adjective

Placed or running lengthwise. adjective

Of or pertaining to longitude or length; relating to or consisting in length: as, longitudinal distance.

In the direction of the length; running lengthwise, as distinguished from transverse or across: as, the longitudinal diameter of a body.

In botany, in the direction of growth.

In zoology, extended in the long axis of the body, as any articulate animal; articulated.

In iron ship-building, one of the fore-and-aft members in the framing of a cellular double bottom, consisting of a plate, an inner angle-bar by which it is connected to the inner bottom, and an outer angle-bar by which it is connected to the outside plating. In warships, the plate and inner bar are usually continuous; in merchant vessels the plate and both bars are more frequently worked inter-costally between the frames. Also called longitudinal frame. See cuts under double bottom. noun

A railway sleeper lying parallel with the rail. noun

Of or pertaining to longitude or length. adjective

Extending in length; in the direction of the length; running lengthwise, as distinguished from transverse. adjective

Relating to length, or to longitude. adjective

Running in the direction of the long axis of a body. adjective

Forward and/or backward, relative to some defined direction. adjective

Sampling data over time rather than merely once. adjective

Any longitudinal piece, as in shipbuilding etc. noun

Of or relating to lines of longitude adjective

Running lengthwise adjective

Over an extended time adjective

Any longitudinal piece, as in shipbuilding etc.

Synonyms and Antonyms for Longitudinal

The word "longitudinal" in example sentences

"In any long-term longitudinal survey of budgetary costs, I think it would be imprudent and misleading not to adjust for the effects of inflation," says Stephen I. Schwartz, editor of the journal Nonproliferation Review and director of a 1998 study by the left-leaning Brookings Institution on long-range nuclear-weapons spending in the U.S. ❋ Carl Bialik (2011)

However, long-term longitudinal studies seem to reveal… ❋ Jennifer Weiner (2008)

Long-term longitudinal studies would be needed to assess the validity of either perspective. ❋ Andrew Newberg (2006)

This kind of vibration is called a longitudinal vibration. ❋ Leonard Mlodinow (2001)

Following the Exxon Valdez spill in 1989, "We didn't do the long-term longitudinal follow up that now we all wish we had data on," says Donald Williamson, state health officer for Alabama. ❋ Unknown (2010)

Four significant long-term longitudinal studies are now under way: two at Harvard that Kagan initiated, two more at the University of Maryland under the direction of Nathan Fox, a former graduate student of Kagan's. ❋ Unknown (2009)

The seed of interest in longitudinal research had been planted; it germinated decades later in Vaillant’s psychiatric residency and then in the ultimate vein of data he discovered at Harvard. ❋ Unknown (2009)

Besides recruiting for other investigators 'research we will be launching a long term longitudinal cohort study to look at environmental issues including cosmetic ingredients and their effects on breast cancer. ❋ Unknown (2009)

One reason the study is reliable is because it was thorough and ran for multiple years, using what the study givers refer to as longitudinal methods typically associated with clinical research in medicine and public health. ❋ Unknown (2009)

One may say that synergy is cross-sectional whereas viability is longitudinal, that is, that synergy describes the health of a system at a given time, viability over time. ❋ Unknown (2008)

ACE provides so-called longitudinal testing, which focuses on changes in body chemistry that result from banned substances instead of the substances themselves. ❋ Unknown (2008)

Long-hole cutting machines (also called longitudinal drilling machines) are applied for drilling of round-hole bores and for drilling and cutting of long holes. ❋ Johannes Schollbach (1993)

For cutting of long holes long-hole cutters (also called longitudinal drillers) with straight lengthwise cutting edges, one or two cutting notches and front cutting edges are applied. ❋ Johannes Schollbach (1993)

Because of the need to do things differentially there had been, in the standard quantum electrodynamics, a complete split of the field into two parts, one of which is called the longitudinal part and the other mediated by the photons, or transverse waves. ❋ Unknown (1972)

Cross Reference for Longitudinal

What does longitudinal mean?

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