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/de·fin·i·tive/ (dĕ-fin´ĭ-tiv)
1. established with certainty.
2. in embryology, denoting acquisition of final differentiation or character.
3. in parasitology, denoting the host in which a parasite reaches the sexual stage.


Biology Fully formed or developed, as an organ or structure.

de·fin′i·tive·ly adv.
de·fin′i·tive·ness n.


Etymology: L, definitivus, a limiting
1 final; clearly established without doubt or question.
2 (in embryology) fully formed in the final differentiation of a tissue, structure, or organ. Compare primitive.
3 (in parasitology) pertaining to the host in which the parasite undergoes the sexual phase of its reproductive cycle.


Fully differentiated or developed.

Patient discussion about definitive

Q. What is the Definition of Anemia? My doctor told me I have anemia, based on my latest blood tests. What is anemia?

A. In laymans terms it is low iron. Most women get it sometime in their lives due to menstration and other factors. You need to increase your iron intake. Lots of beets, beans, spinich, and lots of other foods can help.

Q. what is the definition of Autism? how would i know if one is autistic and the other one is not , or has only minor disorder ?

A. Autism is a brain development disorder that is characterized by impaired social interaction and communication, and restricted and repetitive behavior, all starting before a child is three years old. This set of signs distinguishes autism from milder autism spectrum disorders (ASD) such as pervasive developmental disorder not otherwise specified. Diagnosis should be made if suspected, by a specialits in child psychiatry or child developement.

Q. What is the definition of Autism?

A. Autism is defined by symptoms from each of the following three categories: qualitative impairment in social interaction, impairment in communication, and restricted repetitive and stereotyped patterns of behavior or interests.

By definition, the onset of autistic disorder is before the age of 3 years, although in some cases, it is not recognized until a child is much older.

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References in periodicals archive ?
Reflection on this fact leads to another question: why is it so important or even necessary for the pope and the bishops to have the authority to teach doctrine definitively and thus infallibly?
The second clause, however, which says, "I also firmly accept and hold each and every thing that is proposed by that same church definitively with regard to teaching concerning faith or morals," has no corresponding canon in the codes of the Catholic Church.
Footnote (17) to that section is quoted as follows: "It should be noted that the infallible teaching of the ordinary and universal Magisterium is not only set forth with an explicit declaration of a doctrine to be believed or held definitively, but is also expressed by a doctrine implicitly contained in a practice of the Church's faith, derived from revelation or, in any case, necessary for eternal salvation and attested to by the uninterrupted tradition.
Nevertheless, some things definitively had changed.
In the 1975 "Declaration on Certain Questions Concerning Sexual Ethics," the Vatican's Sacred Congregation for the Doctrine of the Faith spoke of those "homosexuals who are definitively such because of some kind of innate instinct or pathological constitution judged to be incurable.
The issue of whether the "physical presence" standard is applicable only to sales and use taxes has not been definitively answered.
Most of these firms are relatively young, and it would be premature to definitively extrapolate their experience into a trend.
5% between 2004-2005, limited case law exists to definitively demonstrate the effectiveness of intercreditor provisions and to provide guidance for the standardization of documentation of future second-lien loan transactions.
A Brief Chapter In My Impossible Life, definitively read by actress Mandy Siegfried, and brilliantly authored by Dana Reinhardt, is the engaging story of sixteen year old Simone.
Publishing articles that defy conventional expectations by definitively addressing uncomfortable points of view on the social, political, and economic issues of the day is a hallmark of the 126 "alternative newsweeklies" (non-daily free-circulation papers with distinct, local identities distinguishing them from their corporate mainstream press contemporaries) serving their readerships in the United States and Canada.
We're not going to definitively say we're putting him on the DL,'' Tracy said.